Wis. Admin. Code § ATCP 105.21
For the purpose of calculating the cost of motor fuel under s. 100.30, Stats., the following terms have the following meanings:
(1) “At the close of business on the determination date,” as used in s. 100.30 (2) (a), Stats., means the time at which the petroleum price reporting service no longer posts new price data.
Note: As of May, 1998, this time was 4:00 p.m. eastern time for the largest petroleum price reporting service.
(2) “Cost of doing business” means the allocation of all costs of a seller related to sales of motor vehicle fuel meeting all of the following requirements.
History: Cr., Register, May, 1999, No. 521, eff. 6-1-99; correction in (3) made under s. 35.17, Stats., Register May 2024 No. 821.