Wis. Admin. Code Department of Financial Institutions DFI-CCS 4.05
A lapse date shall be calculated for each initial financing statement, unless the debtor is indicated to be a transmitting utility. The lapse date shall be the same date of the same month as the filing date in the fifth year after the filing date or relevant subsequent fifth anniversary thereof if a timely continuation statement is filed, but if the initial financing statement indicates that it is filed with respect to a public finance transaction or a manufactured-home transaction, the lapse date shall be the same date of the same month as the filing date in the thirtieth year after the filing date. The lapse shall take effect at midnight at the end of the lapse date. The relevant anniversary for a February 29 filing date shall be March 1.
Wis. Admin. Code Department of Financial Institutions DFI-CCS 4.05