Wis. Admin. Code § ATCP 93.743
(2) Timing.
(a) Underground tanks. Copies of the applicable forms listed in s. ATCP 93.745 (2) shall be submitted to the department upon annual permit renewal as required in s. ATCP 93.145, along with all of the following:
(c) All tanks. If the owner or operator of an underground or aboveground petroleum storage tank fails to obtain alternate coverage as required by this subchapter, copies of the applicable forms listed in s. ATCP 93.745 (2) shall be submitted to the department within 30 days after the owner or operator receives notice of any of the following:
History: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19.