1. A responsible person may waive the time limitations established in section 252C.3 . 2. Upon receipt of a signed statement from each responsible person waiving the time limitations established in section 252C.3 , the department may proceed to enter an order for support and the court may approve the order, whether or not the time limitations have expired. 3. If a responsible person waives the time limitations established in section 252C.3 and an order for support is entered under this chapter , the signed statement of the responsible person waiving the time limitations shall be filed with the order for support. 92 Acts, ch 1195, §205 ; 2007 Acts, ch 218, §161, 187 ; 2008 Acts, ch 1019, §18, 20 ; 2023 Acts, ch 19, §879