Section 37.03.01.050 - LATE FEES01.Late Fee Payable. A late fee shall be payable when a claim is filed after the date set forth in the first commencement notice mailed to the claimant or the claimant's predecessor in interest pursuant to Sections 42-1414(3), Idaho Code.02.Waiver. The late fee may be waived by the director for good cause shown.Idaho Admin. Code r. 37.03.01.050