Section 261.63 - When is a State's Work Verification Plan due?(a) Each State must submit its interim Work Verification Plan for validating work activities reported in the TANF Data Report and, if applicable, the SSP-MOE Data Report no later than September 30, 2006.(b) If HHS requires changes, a State must submit them within 60 days of receipt of our notice and include all necessary changes as part of a final approved Work Verification Plan no later than September 30, 2007.(c) If a State modifies its verification procedures for TANF or SSP-MOE work activities or its internal controls for ensuring a consistent measurement of the work participation rate, the State must submit for approval an amended Work Verification Plan by the end of the quarter in which the State modifies the procedures or internal controls.