California Code
ARTICLE 2 - Contest of Validity or Enforcement
Section 5700.608.

5700.608. Confirmation of a registered support order, whether by operation of law or after notice and hearing, precludes further contest of the order with respect to any matter that could have been asserted at the time of registration.

(Added by Stats. 2015, Ch. 493, Sec. 5. (SB 646) Effective January 1, 2016.)