The filing date of a UCC document shall be the date the UCC document is received with the proper filing fee if the filing office is open to the public on that date or, if the filing office is not so open on that date, the filing date shall be the next date the filing office is open, except that, in each case, UCC documents received after close of business shall be deemed received on the following day the office is open for business. The filing officer may perform any duty relating to the document on the filing date or on a date after the filing date.
Wis. Admin. Code Department of Financial Institutions DFI-CCS 4.03