Chapter 70

70.119(3)(c) (c) “Municipality” means cities, villages, towns, counties, and metropolitan sewerage districts with general taxing authority, except that for distributions after December 31, 2023, “municipality” does not include counties and metropolitan sewerage districts.

70.119(3)(d) (d) “Municipal services” means police and fire protection, garbage and trash disposal and collection not paid for under sub. (1) and, subject to approval by the committee, any other direct general government service provided by municipalities to state facilities and facilities of the University of Wisconsin Hospitals and Clinics Authority described in s. 70.11 (38).

70.119(3)(dm) (dm) “State agency” has the meaning given under s. 20.001 (1).

70.119(3)(e) (e) “State facilities” means all property owned and operated by the state for the purpose of carrying out usual state functions, including the branch campuses of the university of Wisconsin system but not including land held for highway right-of-way purposes or acquired and held for purposes under s. 85.08 or 85.09.

70.119(4) (4) The department shall be responsible for negotiating with municipalities on payments for municipal services and may delegate certain responsibilities of negotiation to other state agencies or to the University of Wisconsin Hospitals and Clinics Authority. Prior to negotiating with municipalities the department shall submit guidelines for negotiation to the committee for approval.

70.119(5) (5) Upon approval of guidelines by the committee, the department shall proceed with negotiations. In no case may a municipality withhold services to the state or to the University of Wisconsin Hospitals and Clinics Authority during negotiations.

70.119(6) (6) No later than November 15 annually, the department shall report to the cochairpersons of the committee the results of its negotiations and the total payments proposed to be made in the subsequent calendar year. In computing the proposed payments to a municipality, the department shall base its calculations on the values of state facilities and facilities of the University of Wisconsin Hospitals and Clinics Authority described in s. 70.11 (38), as determined by the department for January 1 of the year preceding the year of the report, and the values of improvements to property in the municipality as determined under s. 70.57 (1) for January 1 of the year preceding the year of the report, and shall also base its calculations on revenues and expenditures of the municipality as reported under s. 73.10 (2) for the year preceding the year of the report.

70.119(6m) (6m) In negotiating and computing the proposed payments to a municipality, the department cannot consider the municipality’s receipt of a grant under s. 45.58 to be a payment for municipal services.

70.119(7) (7) 

70.119(7)(a) (a) The department shall make payment from the appropriation under s. 20.835 (5) (r) for municipal services provided by municipalities to state facilities. If the appropriation under s. 20.835 (5) (r) is insufficient to pay the full amount under sub. (6) in any one year, the department shall prorate payments among the municipalities entitled thereto. The University of Wisconsin Hospitals and Clinics Authority shall make payment for municipal services provided by municipalities to facilities of the authority described in s. 70.11 (38).

70.119(7)(b) (b) The department shall determine the proportionate cost of payments for municipal services provided by a municipality for each program financed from revenues other than general purpose revenues and revenues derived from academic student fees levied by the board of regents of the University of Wisconsin System, and for each appropriation made from such revenues which finances the cost of such a program.

70.119(7)(c) (c) The department shall assess to the appropriate program revenue and program revenue-service accounts and segregated funds the costs of providing payments for municipal services for the administration of programs financed from program revenues or segregated revenues, except program revenues derived from academic student fees levied by the board of regents of the University of Wisconsin System. If payments are prorated under par. (a) in any year, the department shall assess costs under this paragraph as affected by the proration. The department shall transfer to the general fund an amount equal to the assessments in each year from the appropriate program revenue, program revenue-service and segregated revenue appropriations.

70.119(8) (8) This section supersedes other statutes relating to payments for municipal services. Extraordinary police services provided to state facilities are subject to reimbursement under s. 16.008.

70.119(9) (9) The department shall not make payments for municipal services at the parking ramp located at 1 West Wilson Street in the city of Madison.

70.119 History History: 1971 c. 328; 1973 c. 90; 1975 c. 39; 1977 c. 29; 1977 c. 418 ss. 470 to 473, 929 (1); 1979 c. 34 s. 2102 (58) (a); 1981 c. 20; 1987 a. 27, 399; 1989 a. 31; 1991 a. 269; 1995 a. 27; 2013 a. 20; 2015 a. 55; 2023 a. 12, 19.

70.12 70.12 Real property, where assessed. All real property not expressly exempt from taxation shall be entered upon the assessment roll in the assessment district where it lies.

70.12 History History: 1981 c. 190.

70.13 70.13 Where personal property assessed.

70.13(1) (1) For assessments made before January 1, 2024, all personal property shall be assessed in the assessment district where the same is located or customarily kept except as otherwise specifically provided. Personal property in transit within the state on the first day of January shall be assessed in the district in which the same is intended to be kept or located, and personal property having no fixed location shall be assessed in the district where the owner or the person in charge or possession thereof resides, except as provided in sub. (5).

70.13(2) (2) For assessments made before January 1, 2024, saw logs or timber in transit, which are to be sawed or manufactured in any mill in this state, shall be deemed located and shall be assessed in the district in which such mill is located. Saw logs or timber shall be deemed in transit when the same are being transported either by water or rail, but when such logs or timber are banked, decked, piled or otherwise temporarily stored for transportation in any district, they shall be deemed located, and shall be assessed in such district.

70.13(3) (3) For assessments made before January 1, 2024, on or before the tenth day of January in each year the owner of logs or timber in transit shall furnish the assessor of the district in which the mill at which the logs or timber will be sawed or manufactured is located a verified statement of the amount, character and value of all the logs and timber in transit on the first day of January preceding, and the owner of the logs or timber shall furnish to the assessor of the district in which the logs and timber were located on the first day of January preceding, a like verified statement of the amount, character and value thereof. Any assessment made in accordance with the owner’s statement shall be valid and binding on the owner notwithstanding any subsequent change as to the place where the same may be sawed or manufactured. If the owner of the logs or timber shall fail or refuse to furnish the statement herein provided for, or shall intentionally make a false statement, that owner shall be subject to the penalties prescribed by s. 70.36.

70.13(5) (5) As between school districts, the location of personal property for taxation shall be determined by the same rules as between assessment districts; provided, that whenever the owner or occupant shall reside upon any contiguous tracts or parcels of land which shall lie in 2 or more assessment districts, then the farm implements, livestock, and farm products of the owner or occupant used, kept, or being upon the contiguous tracts or parcels of land, shall be assessed in the assessment district where that personal property is customarily kept.

70.13(6) (6) No change of location or sale of any personal property after the first day of January in any year shall affect the assessment made in such year.

70.13(7) (7) For assessments made before January 1, 2024, saw logs or timber removed from public lands during the year next preceding the first day of January or having been removed from such lands and in transit therefrom on the first day of January, shall be deemed located and assessed in the assessment district wherein such public lands are located and shall be assessed in no other assessment district. Saw logs or timber shall be deemed in transit when the same are being transported. On or before January 10 in each year the owner of such logs or timber shall furnish the assessor of the assessment district wherein they are assessable a verified statement of the amount, character and value of all such logs and timber. If the owner of any such logs or timber shall fail or refuse to furnish such statement or shall intentionally make a false statement, he or she is subject to the penalties prescribed by s. 70.36. This subsection shall supersede any provision of law in conflict therewith. The term “owner” as used in this subsection is deemed to mean the person owning the logs or timber at the time of severing. “Public lands” as used in this subsection shall mean lands owned by the United States of America, the state of Wisconsin or any political subdivision of this state.

70.13 History History: 1977 c. 29 s. 1646 (3); 1977 c. 273; 1991 a. 316; 1993 a. 213; 1995 a. 225; 2023 a. 12.

70.13 Annotation The situs for taxation assessment purposes of a movable bituminous plant was not in the town where the plant was physically present during most of the tax year because the property was neither “located” in the town nor “customarily kept” there. Wm. J. Kennedy & Son, Inc. v. Town of Albany, 66 Wis. 2d 447, 225 N.W.2d 624 (1975).

70.13 Note NOTE: The above annotation relates to personal property taxation under this chapter prior to the sunset of the personal property tax under 2023 Wis. Act 12.

70.14 70.14 Incorporated companies. The residence of an incorporated company, for the purposes of s. 70.13, shall be held to be in the assessment district where the principal office or place of business of such company shall be.

70.15 70.15 Assessment of vessels.

70.15(1) (1) That in consideration of an annual payment into the treasury of any town, village or city where such property is assessable by the owner of any steam vessel, barge, boat or other water craft, owned within this state, or hailing from any port thereof, and employed regularly in interstate traffic of a sum equal to one cent per net ton of the registered tonnage thereof, said steam vessel, barge, boat or other water craft shall be and the same is hereby made exempt from further taxation, either state or municipal.

70.15(2) (2) The owner of any steam vessel, barge, boat or other water craft, hailing from any port of this state, “and so employed regularly in interstate traffic,” desiring to comply with the terms of this section, shall annually, on or before the first day of January, file with the clerk of such town, village or city a verified statement, in writing, containing the name, port of hail, tonnage and name of owner of such steam vessel, barge, boat or other water craft, and shall thereupon pay into the said treasury of such town, village or city a sum equal to one cent per net ton of the registered tonnage of said vessel, and the treasurer shall thereupon issue a receipt. All vessels, boats or other water craft not regularly employed in interstate traffic and all private yachts or pleasure boats belonging to inhabitants of this state, whether at home or abroad, shall be taxed as personal property for taxes levied before January 1, 2024.

70.15 History History: 1977 c. 29 s. 1646 (3); 1977 c. 273; 2023 a. 12.

70.17 70.17 Lands, to whom assessed; buildings on exempt lands.

70.17(1) (1) Real property shall be entered in the name of the owner, if known to the assessor, otherwise to the occupant thereof if ascertainable, and otherwise without any name. The person holding the contract or certificate of sale of any real property contracted to be sold by the state, but not conveyed, shall be deemed the owner for such purpose. The undivided real estate of any deceased person may be entered to the heirs of such person without designating them by name. The real estate of an incorporated company shall be entered in the same manner as that of an individual.

70.17(2) (2) All lands which have been or may be contracted for sale by any county shall be assessed and taxed to the parties contracting therefor.

70.17(3) (3) Beginning with the property tax assessments as of January 1, 2024, manufactured and mobile homes, not otherwise exempt from taxation under s. 66.0435 (3), buildings, improvements, and fixtures on leased lands, buildings, improvements, and fixtures on exempt lands, buildings, improvements, and fixtures on forest croplands, and buildings, improvements, and fixtures on managed forest lands shall be assessed as real property. If buildings, improvements, and fixtures, but not the underlying land, are leased to a person other than the landowner or if the buildings, improvements, and fixtures are owned by a person other than the landowner, the assessor may create a separate tax parcel for the buildings, improvements, and fixtures and assess the buildings, improvements, and fixtures as real property to the owner of the buildings, improvements, and fixtures. The assessor may also create a tax parcel, as provided under s. 70.27, for buildings, improvements, and fixtures on exempt lands, buildings, improvements, and fixtures on forest croplands, and buildings, improvements, and fixtures on managed forest lands and assess the buildings, improvements, and fixtures as real property to the owner of the buildings, improvements, and fixtures. For purposes of this subsection, “buildings, improvements, and fixtures” does not include any property defined in s. 70.04.

70.17 History History: 2023 a. 12; s. 35.17 correction in (3).

70.17 Annotation The term “leased lands” under former sub. (1), 1969 stats., should be construed broadly to include a number of situations in which the occupier of land not owned by the occupier places improvements on the land; a formal lease is not required. Town of Menominee v. Skubitz, 53 Wis. 2d 430, 192 N.W.2d 887 (1972).

70.17 Annotation The tax lister may, but is not required to, change the ownership designation on joint property on the basis of notification other than formal procedures. 80 Atty. Gen. 73.

70.174 70.174 Improvements on government-owned land. Improvements made by any person on land within this state owned by the United States shall be assessed as real property, as provided under s. 70.17 (3).

70.174 History History: 2023 a. 12.

70.177 70.177 Federal property. Property the taxation of which the federal government has consented to is taxable under this chapter.

70.177 History History: 1987 a. 10.

70.18 70.18 Personal property, to whom assessed.

70.18(1) (1) For assessments made before January 1, 2024, personal property shall be assessed to the owner thereof, except that when it is in the charge or possession of some person other than the owner it may be assessed to the person so in charge or possession of the same. Telegraph and telephone poles, posts, railroad ties, lumber, and all other manufactured forest products shall be deemed to be in the charge or possession of the person in occupancy or possession of the premises upon which the same shall be stored or piled, and the same shall be assessed to such person, unless the owner or some other person residing in the same assessment district, shall be actually and actively in charge and possession thereof, in which case it shall be assessed to such resident owner or other person so in actual charge or possession; but nothing contained in this subsection shall affect or change the rules prescribed in s. 70.13 respecting the district in which such property shall be assessed.

70.18(2) (2) For assessments made before January 1, 2024, goods, wares and merchandise in storage in a commercial storage warehouse or on a public wharf shall be assessed to the owner thereof and not to the warehouse or public wharf, if the operator of the warehouse or public wharf furnishes to the assessor the names and addresses of the owners of all goods, wares and merchandise not exempt from taxation.

70.18 History History: 1981 c. 20; 2005 a. 253; 2023 a. 12.

70.18 Annotation Property whose title and most of the indicia of ownership is in the U.S. government may not be taxed under sub. (1) since the tax is on ownership, not use. State ex rel. General Motors Corp. v. City of Oak Creek, 49 Wis. 2d 299, 182 N.W.2d 481 (1971).

70.18 Annotation A trial court’s finding, on stipulated facts, that the U.S. government was the beneficial owner and not subject to the personal property tax under sub. (1) constituted a conclusion of law; hence the supreme court was not limited in its review to the finding. Teledyne Industries, Inc. v. City of Milwaukee, 65 Wis. 2d 557, 223 N.W.2d 586 (1974).

70.18 Annotation Decisions permitting local taxation of the possession of federal property. Van Cleve. 1959 WLR 190.

70.18 Note NOTE: The above annotations relate to personal property taxation under this chapter prior to the sunset of the personal property tax under 2023 Wis. Act 12.

70.19 70.19 Assessment, how made; liability and rights of representative.

70.19(1) (1) For assessments made before January 1, 2024, when personal property is assessed under s. 70.18 (1) to a person in charge or possession of the personal property other than the owner, the assessment of that personal property shall be entered upon the assessment roll separately from the assessment of that person’s own personal property, adding to the person’s name upon the tax roll words briefly indicating that the assessment is made to the person as the person in charge or possession of the property. The failure to enter the assessment separately or to indicate the representative capacity or other relationship of the person assessed shall not affect the validity of the assessment.

70.19(2) (2) For assessments made before January 1, 2024, the person assessed under sub. (1) and s. 70.18 (1) is personally liable for the tax on the property. The person assessed under sub. (1) and s. 70.18 (1) has a personal right of action against the owner of the property for the amount of the taxes; has a lien for that amount upon the property with the rights and remedies for the preservation and enforcement of that lien as provided in ss. 779.45 and 779.48; and is entitled to retain possession of the property until the owner of the property pays the tax on the property or reimburses the person assessed for the tax. The lien and right of possession relate back and exist from the time that the assessment is made, but may be released and discharged by giving to the person assessed such undertaking or other indemnity as the person accepts or by giving the person assessed a bond in the amount and with the sureties as is directed and approved by the circuit court of the county in which the property is assessed, upon 8 days’ notice to the person assessed. The bond shall be conditioned to hold the person assessed free and harmless from all costs, expense, liability, or damage by reason of the assessment.

70.19 History History: 1975 c. 94 s. 91 (13); 1975 c. 199; 1977 c. 449; 1979 c. 32 s. 92 (9); 2001 a. 102; 2023 a. 12.

70.20 70.20 Owner’s liability when personalty assessed to another; action to collect.

70.20(1) (1) For assessments made before January 1, 2024, when personal property shall be assessed to some person in charge or possession thereof, other than the owner, such owner as well as the person so in charge or possession shall be liable for the taxes levied pursuant to such assessment; and the liability of such owner may be enforced in a personal action as for a debt. Such action may be brought in the name of the town, city or village in which such assessment was made, if commenced before the time fixed by law for the return of delinquent taxes, by direction of the treasurer or tax collector of such town, city or village. If commenced after such a return, it shall be brought in the name of the county or other municipality to the treasurer or other officer of which such return shall be made, by direction of such treasurer or other officer. Such action may be brought in any court of this state having jurisdiction of the amount involved and in which jurisdiction may be obtained of the person of such owner or by attachment of the property of such owner.

70.20(2) (2) For assessments made before January 1, 2024, the remedy of attachment may be allowed in such action upon filing an affidavit of the officer by whose direction such action shall be brought, showing the assessment of such property in the assessment district, the amount of tax levied pursuant thereto, that the defendant was the owner of such property at the time as of which the assessment thereof was made, and that such tax remains unpaid in whole or in part, and the amount remaining unpaid. The proceedings in such actions and for enforcement of the judgment obtained therein shall be the same as in ordinary actions for debt as near as may be, but no property shall be exempt from attachment or execution issued upon a judgment against the defendant in such action.

70.20(3) (3) For assessments made before January 1, 2024, and taxes levied before January 1, 2024, the assessment and tax rolls in which such assessment and tax shall be entered shall be prima facie evidence of such assessment and tax and of the justice and regularity thereof; and the same, with proof of the ownership of such property by the defendant at the time as of which the assessment was made and of the nonpayment of such tax, shall be sufficient to establish the liability of the defendant. Such liability shall not be affected and such action shall not be defeated by any omission or irregularity in the assessment or tax proceedings not affecting the substantial justice and equity of the tax. The provisions of this section shall not impair or affect the remedies given by other provisions of law for the collection or enforcement of such tax against the person to whom the property was assessed.

70.20 History History: 2023 a. 12.

70.21 70.21 Partnership; estates in hands of personal representative; personal property, how assessed.

70.21(1) (1) For assessments made before January 1, 2024, except as provided in sub. (2), the personal property of a partnership may be assessed in the names of the persons composing the partnership, so far as known or in the firm name or title under which the partnership business is conducted, and each partner shall be liable for the taxes levied on the partnership’s personal property.

70.21(1m) (1m) For assessments made before January 1, 2024, undistributed personal property belonging to the estate of a decedent shall be assessed as follows:

70.21(1m)(a) (a) If a personal representative has been appointed and qualified, on the first day of January in the year in which the assessment is made, the property shall be assessed to the personal representative.

70.21(1m)(b) (b) If a personal representative has not been appointed and qualified, on the first day of January in the year in which the assessment is made, the property may be assessed to the decedent’s estate. The tax on the property shall be paid by the personal representative if one is subsequently appointed, or by the person or persons in possession of the property at the time of the assessment if a personal representative is not appointed.

70.21(2) (2) For assessments made before January 1, 2024, the personal property of a limited liability partnership shall be assessed in the name of the partnership, and each partner shall be liable for the taxes levied thereon only to the extent permitted under s. 178.0306.

70.21 History History: 1977 c. 29 s. 1646 (3); 1995 a. 97; 2001 a. 102; 2015 a. 295; 2023 a. 12.

70.22 70.22 Personal property being administered, how assessed.

70.22(1) (1) For assessments made before January 1, 2024, in case one or more of 2 or more personal representatives or trustees of the estate of a decedent who died domiciled in this state are not residents of the state, the taxable personal property belonging to the estate shall be assessed to the personal representatives or trustees residing in this state. In case there are 2 or more personal representatives or trustees of the same estate residing in this state, but in different taxation districts, the assessment of the taxable personal property belonging to the estate shall be in the names of all of the personal representatives or trustees of the estate residing in this state. In case no personal representative or trustee resides in this state, the taxable personal property belonging to the estate may be assessed in the name of the personal representative or trustee, or in the names of all of the personal representatives or trustees if there are more than one, or in the name of the estate.

70.22(2) (2) 

70.22(2)(a) (a) For taxes levied before January 1, 2024, the taxes imposed pursuant to an assessment under sub. (1) may be enforced as a claim against the estate, upon presentation of a claim for the taxes by the treasurer of the taxation district to the court in which the proceedings for the probate of the estate are pending. Upon due proof, the court shall allow and order the claim to be paid.

70.22(2)(b) (b) Before allowing the final account of a nonresident personal representative or trustee, the court shall ascertain whether there are or will be any taxes remaining unpaid or to be paid on account of personal property belonging to the estate, and shall make any order or direction that is necessary to provide for the payment of the taxes.

70.22(3) (3) The provisions of this section shall not impair or affect any remedy given by other provisions of law for the collection or enforcement of taxes upon personal property assessed to personal representatives or trustees.

70.22 History History: 1991 a. 316; 1997 a. 253; 2001 a. 102; 2023 a. 12.

70.23 70.23 Duties of assessors; entry of parcels on assessment roll.

70.23(1) (1) The assessor shall enter upon the assessment roll opposite to the name of the person to whom assessed, if any, as before provided in regular order as to lots and blocks, sections and parts of sections, a correct and pertinent description of each parcel of real property in the assessment district and the number of acres in each tract containing more than one acre.

70.23(2) (2) When 2 or more lots or tracts owned by the same person are considered by the assessor to be so improved or occupied with buildings as to be practically incapable of separate valuation, the lots or tracts may be entered as one parcel. Whenever any tract, parcel or lot of land has been surveyed and platted and a plat of the platted ground filed or recorded according to law, the assessor shall designate the several lots and subdivisions of the platted ground as the lots and subdivisions are fixed and designated by the plat.

70.23 History History: 1971 c. 215; 1983 a. 532; 1993 a. 491; 1997 a. 35, 253; 1999 a. 96.

70.24 70.24 Public lands and land mortgaged to state. The secretary of state shall annually, before January 1, make and transmit to the county clerk of each county an abstract containing a correct and full statement and description of all public lands sold and not patented by the state, and of all lands mortgaged to the state lying in the county; and immediately on receipt thereof the county clerk shall make and transmit to the county assessor and to the clerk of each town, village or city in the county not under the assessment jurisdiction of the county assessor a list from said abstract of such lands lying in such town, village or city. Every assessor shall enter on the assessment roll, in a separate column, under distinct headings, a list of all such public and mortgaged lands, and the same shall be assessed and taxed in the same manner as other lands, without regard to any balance of purchase money or loans remaining unpaid on the same.

70.24 History History: 1977 c. 29 s. 1646 (3); 1977 c. 273.

70.25 70.25 Lands, described on rolls. In all assessments and tax rolls in all advertisements, certificates, papers, conveyances, or proceedings for the assessment and collection of taxes and in all related proceedings, except in tax bills, any descriptions of land that indicate the land intended with ordinary and reasonable certainty and that would be sufficient between grantor and grantee in an ordinary conveyance are sufficient. No description of land according to the United States survey is insufficient by reason of the omission of the word quarter or the figures or signs representing it in connection with the words or initial letters indicating any legal subdivision of lands according to government survey. Where a more complete description may not be practicable, and the deed or a mortgage describing any piece of real property is recorded in the office of the register of deeds for the county, an abbreviated description including the document number of the deed or mortgage or the volume and page where the deed or mortgage is recorded, and the section, village, or city where the property is situated, is sufficient. Where a more complete description may not be practicable, and the piece of property is described in any certificate, order, or judgment of a court of record in the county, an abbreviated description including the document number of the court record or the volume and page where the court record is recorded, and the section, village, or city where the property is situated, is sufficient. Descriptions in property tax bills shall be as provided under s. 74.09 (3) (a).

70.25 History History: 1987 a. 378, 399, 403; 2017 a. 102.

70.27 70.27 Assessor’s plat.

70.27(1) (1) Who may order. Whenever any area of platted or unplatted land or land and the buildings, improvements, and fixtures on that land is owned by 2 or more persons in severalty, and when in the judgment of the governing body having jurisdiction, the description of one or more of the different parcels thereof cannot be made sufficiently certain and accurate for the purposes of assessment, taxation, or tax title procedures without noting the correct metes and bounds of the same, or when such gross errors exist in lot measurements or locations that difficulty is encountered in locating new structures, public utilities, or streets, such governing body may cause a plat to be made for such purposes. Such plat shall be called “assessor’s plat,” and shall plainly define the boundary of each parcel, building, improvement, and fixture, and each street, alley, lane, or roadway, or dedication to public or special use, as such is evidenced by the records of the register of deeds or a court of record. Such plats in cities may be ordered by the city council, in villages by the village board, in towns by the town board, or the county board. A plat or part of a plat included in an assessor’s plat shall be deemed vacated to the extent it is included in or altered by an assessor’s plat. The actual and necessary costs and expenses of making assessors’ plats shall be paid out of the treasury of the city, village, town, or county whose governing body ordered the plat, and all or any part of such cost may be charged to the land, without inclusion of improvements, so platted in the proportion that the last assessed valuation of each parcel bears to the last assessed total valuation of all property included in the assessor’s plat, and collected as a special assessment on such property, as provided by s. 66.0703.

70.27(2) (2) Certification, approval, recording. Such plat, when completed and certified as provided by this section, and when approved by the governing body, shall be acknowledged by the clerk thereof and recorded in the office of the register of deeds. No plat may be recorded in the office of the register of deeds unless it is produced on media that is acceptable to the register of deeds.

70.27(3) (3) Assessment, taxation, conveyancing.

70.27(3)(a) (a) Reference to any land or land and the buildings, improvements, and fixtures on that land as the reference appears on a recorded assessor’s plat is deemed sufficient for purposes of assessment and taxation. Conveyance may be made by reference to such plat and shall be as effective to pass title to the land so described as it would be if the same premises had been described by metes and bounds. Such plat or record thereof shall be received in evidence in all courts and places as correctly describing the several parcels of land or land and the buildings, improvements, and fixtures on that land therein designated. After an assessor’s plat has been made and recorded with the register of deeds as provided by this section, all conveyances of lands or land and the buildings, improvements, and fixtures on that land included in such assessor’s plat shall be by reference to such plat. Any instrument dated and acknowledged after September 1, 1955, purporting to convey, mortgage, or otherwise give notice of an interest in land or land and the buildings, improvements, and fixtures on that land that is within or part of an assessor’s plat shall describe the affected land by the name of the assessor’s plat, lot, block, or outlot.

70.27(3)(b) (b) Notwithstanding par. (a), lands within an assessor’s plat that are divided by a subdivision plat that is prepared, approved and recorded and filed in compliance with ch. 236 or a certified survey map that is prepared and recorded and filed in compliance with s. 236.34 shall be described for all purposes with reference to the subdivision plat or certified survey map, as provided in ss. 236.28 and 236.34 (3).

70.27(4) (4) Amendments. Amendments or corrections to an assessor’s plat may be made at any time by the governing body by recording with the register of deeds a plat of the area affected by such amendment or correction, made and authenticated as provided by this section. It shall not be necessary to refer to any amendment of the plat, but all assessments or instruments wherein any parcel of land or land and the buildings, improvements, and fixtures on that land are described as being in an assessor’s plat, shall be construed to mean the assessor’s plat of lands or land and the buildings, improvements, and fixtures on that land with its amendments or corrections as it stood on the date of making such assessment or instrument, or such plats may be identified by number. This subsection does not prohibit the division of lands or land and the buildings, improvements, and fixtures on that land that are included in an assessor’s plat by subdivision plat, as provided in s. 236.03, or by certified survey map, as provided in s. 236.34.