74.315 (1) Submission. No later than October 1 of each year, the taxation district clerk shall submit to the department of revenue, on a form prescribed by the department, a listing of all the omitted taxes under s. 70.44 to be included on the taxation district's next tax roll, if the total of all such omitted taxes exceeds $5,000 for any single description of property are $250 or more.

74.315 (1m) Amount collected from property in a tax incremental district. A tax may not be included on a form submitted under sub. (1) if the tax was levied on a property within a tax incremental district, as defined in s. 60.85 (1) (n) or 66.1105 (2) (k), unless the current value of the tax incremental district is lower than the tax incremental base, as defined in s. 60.85 (1) (m) or 66.1105 (2) (j), in the assessment year for which the tax was collected.

74.315 (2) Equalized valuation Amount determined. After receiving the form under sub. (1), but no later than November 15, the department of revenue shall determine the amount of any change in the taxation district's equalized valuation that results from considering the valuation represented by the taxes described under sub. (1) taxes to be shared with each taxing jurisdiction for which the taxation district collected taxes and determine the amount of taxes collected under s. 70.44 to be shared with each taxing jurisdiction for which the taxation district collected taxes. The department's determination under this subsection is subject to review only under s. 227.53.

74.315 (3) Notice and distribution. If the department of revenue determines under sub. (2) that the taxation district's equalized valuation changed as a result of considering the valuation represented by the taxes described under sub. (1), the The department shall notify the taxation district and the taxation district shall distribute the resulting collections under ss. 74.23 (1) (a) 5., 74.25 (1) (a) 4m., and 74.30 (1) (dm) resulting from the determinations made under sub. (2).

76.04 (1) Every company defined in s. 76.02 shall, annually, file a true and accurate statement in such manner and form and setting forth such facts as the department shall deem necessary to enforce ss. 76.01 to 76.26. The annual reports for railroad companies shall be filed on or before April 15 and for conservation and regulation companies, air carriers and pipeline companies on or before May 1.

76.07 (1) Duty of department. The department on or before August 1 September 15 in each year in the case of railroad companies, and on or before September 15 in the case of air carrier companies, conservation and regulation companies and pipeline companies, shall, according to its best knowledge and judgment, ascertain and determine the full market value of the property of each company within the state.

76.075 Adjustments of assessments. Within 4 years after the due date, or extended due date, of the report under s. 76.04, any person subject to taxation under this subchapter may request the department to make, or the department may make, an adjustment to the data under s. 76.07 (4g) or (4r) submitted by the person. If an adjustment under this section results in an increase in the tax due under this subchapter, the person shall pay the amount of the tax increase plus interest on that amount at the rate of 1 percent per month from the due date or extended due date of the report under s. 76.04 until the date of final determination and interest at the rate of 1.5 percent per month from the date of final determination until the date of payment. If an adjustment under this section results in a decrease in the tax due under this subchapter, the department shall refund the appropriate amount plus interest at the rate of 0.75 0.25 percent per month from the due date or extended due date under s. 76.04 until the date of refund. Sections 71.74 (1) and (2) and 71.75 (6) and (7), as they apply to income and franchise tax adjustments, apply to adjustments under this section. Review of the adjustments is as stated in s. 76.08.

76.13 (1) The department shall compute and levy a tax upon the property of each company defined in s. 76.02, as assessed in the manner specified in ss. 76.07 and 76.08, at the average net rate of taxation determined under s. 76.126. The amount of tax to be paid by each such company shall be extended upon a tax roll opposite the description of the property of the respective companies. The tax rolls for all companies required to be assessed on or before August 1 in each year under s. 76.07 (1) shall be completed on or before August 10, and for all companies required to be assessed on or before September 15 in each year under s. 76.07 (1) shall be completed on or before October 1; and the department shall thereupon attach to each such roll a certificate signed by the secretary of revenue, which shall be as follows:

“I hereby certify that the foregoing tax roll includes the property of all railroad companies, air carrier companies, conservation and regulation companies or pipeline companies, as the case may be, defined in s. 76.02, liable to taxation in this state; that the valuation of the property of each company as set down in said tax roll is the full market value thereof as assessed by the department of revenue, except as changed by court judgment, and that the taxes thereon charged in said tax roll have been assessed and levied at the average net rate of taxation in this state, as required by law".

76.13 (3) If the Dane County circuit court, after such roll is delivered to the secretary of administration, increases or decreases the assessment of any company, the department shall immediately redetermine the tax of the company on the basis of the revised assessment, and shall certify and deliver the revised assessment to the secretary of administration as a revision of the tax roll. If the amount of tax upon the assessment as determined by the court is less than the amount paid by the company, the secretary of administration shall refund the excess to the company with interest at the rate of 9 3 percent per year. If the amount of the tax upon the assessment as determined by the court is in excess of the amount of the tax as determined by the department, interest shall be paid on the additional amount at the rate of 12 percent per year from the date of entry of judgment to the date the judgment becomes final, and at 1.5 percent per month thereafter until paid.

76.28 (4) (b) In the case of overpayments of license fees by any light, heat and power company under par. (a), the department shall certify the overpayments to the department of administration, which shall audit the amount of the overpayments and the secretary of administration shall pay the amounts determined by means of the audit. All refunds of license fees under this subsection shall bear interest at the annual rate of 9 3 percent from the date of the original payment to the date when the refund is made. The time for making additional levies of license fees or claims for refunds of excess license fees paid, in respect to any year, shall be limited to 4 years after the time the report for such year was filed.

76.28 (11) Payment before contesting. No action or proceeding, except a petition for redetermination under sub. (4), may be brought by a light, heat or power company against this state to contest any assessment of a tax under this section unless the taxpayer first pays to this state the amount of tax assessed. If the taxpayer prevails in an action or proceeding, this state shall settle with the taxpayer, including payment of interest at 9 3 percent per year on the amount of the money paid from the date of payment until the date of judgment.

76.39 (4) (d) All refunds shall be certified by the department to the department of administration which shall audit the amount of the refunds and the secretary of administration shall pay the amount, together with interest at the rate of 9 3 percent per year from the date payment was made. All additional taxes shall bear interest at the rate of 12 percent per year from the time they should have been paid to the date upon which the additional taxes shall become delinquent if unpaid.

76.48 (5) Additional assessments may be made, if notice of such assessment is given, within 4 years of the date the annual return was filed, but if no return was filed, or if the return filed was incorrect and was filed with intent to defeat or evade the tax, an additional assessment may be made at any time upon the discovery of gross revenues by the department. Refunds may be made if a claim for the refund is filed in writing with the department within 4 years of the date the annual return was filed. Refunds shall bear interest at the rate of 9 3 percent per year and shall be certified by the department to the secretary of administration who shall audit the amounts of such overpayments and pay the amount audited. Additional assessments shall bear interest at the rate of 12 percent per year from the time they should have been paid to the date upon which they shall become delinquent if unpaid.

77.51 (13gm) (a) “Retailer engaged in business in this state” does not include a retailer who has no activities as described in sub. (13g), except for activities described in sub. (13g) (c), unless the retailer meets either of the following criteria retailer's annual gross sales into this state exceed $100,000 in the previous year or current calendar year:.