Wis. Admin. Code § Ins 40.13
(1) Extension. If it is impractical to furnish any required information, document or report at the time it is required to be filed, the person required to file shall file with the commissioner a separate document:
History: Cr. Register, July, 1993, No. 451, eff. 8-1-93; CR 140-071: am. (title), r. (1), renum. (2), (3) to be (1), (2) and am. (1) (intro.) Register August 2015 No. 716, ef. 9-1-16.