DCF 202.08(1m)(b)12.12. The operator’s tax identification number changes or the legal name associated with the tax identification number changes. DCF 202.08(1m)(c)(c) New household member. A certified family child care operator shall submit a completed background check request form to the department or certification agency for each potential household member 10 years of age or older prior to the date on which the person becomes a household member. DCF 202.08(1m)(d)(d) Approval for changes. An operator shall submit a request to the certification agency if the operator wishes to change any of the following: DCF 202.08(1m)(e)1.1. If requested by the certification agency, an operator shall submit a plan of correction for cited violations of this chapter, ch. DCF 13, or s. 48.686, Stats., to the certification agency by the date the agency specifies. DCF 202.08(1m)(e)2.2. The operator shall submit a revised plan of correction to the agency if the initial plan is not accepted by the agency. DCF 202.08(1m)(f)(f) Approval required before working in program. A provider, substitute, employee, or volunteer for a certified child care operator shall be approved by the certification agency before the person begins working in the certified child care program. The certification agency may approve the provider, substitute, employee, or volunteer if the agency has verification that the individual has met the standards under sub. (1) (a) and (b) and has been determined eligible by the department under s. 48.686 (4p), Stats., and s. DCF 13.06. DCF 202.08(2)(2) Certified family child care operator’s home. A certified family child care operator’s home and play area shall meet all of the following requirements: DCF 202.08(2)(a)3.3. The primary exit shall be a door or a stairway providing unobstructed travel to the outside of the building at street or ground level. DCF 202.08(2)(a)4.4. If the care is not provided in a basement, the secondary exit shall be one of the following: DCF 202.08(2)(a)4.a.a. A door or stairway that provides unobstructed travel to the outside of the building at street or ground level. DCF 202.08(2)(a)4.b.b. A door or stairway leading to a platform or roof with railings which has an area of at least 25 square feet, is at least 4 feet long, and is not more than 15 feet above the ground level. DCF 202.08(2)(a)4.c.c. A window not more than 46 inches above the floor that is capable of being opened from the inside without the use of tool or removal of a sash and which has a window opening size of at least 20 inches in width and 24 inches in height. DCF 202.08(2)(a)5.5. If the care is provided in a basement, the secondary exit shall be one of the following: DCF 202.08(2)(a)5.a.a. A door or stairway that provides unobstructed travel to the outside of the building at street or ground level. DCF 202.08(2)(a)5.b.b. A window not more than 46 inches above the floor that is capable of being opened from the inside without the use of tool or removal of a sash and which has a window opening size of at least 20 inches in width and 24 inches in height. The window shall open directly to the ground or to a window well with an area of at least 6 square feet that is not more than 46 inches below the ground. DCF 202.08(2)(am)1.1. A one-unit or two-unit residential building shall have a functional carbon monoxide detector installed in the basement and on each level of the building, excluding the garage and attic, in accordance with the requirements of s. 101.647, Stats. DCF 202.08(2)(am)2.2. A residential building with at least 3 units shall have one or more functional carbon monoxide detectors installed in accordance with the requirements of s. 101.149, Stats. DCF 202.08(2)(ar)(ar) The home shall have a functional smoke detector on each floor level in accordance with the requirements of s. 101.645, Stats.