CA Fam Code Section 3601

(a)

An order for child support entered pursuant to this chapter continues in effect until the order (1) is terminated by the court or (2) terminates by operation of law pursuant to Sections 3900, 3901, 4007, and 4013.

(b)

Subject to Section 3602, subdivision (a) applies notwithstanding any other provision of law and notwithstanding that the proceeding has not been brought to trial within the time limits specified in Chapter 1.5 (commencing with Section 583.110) of Title 8 of Part 2 of the Code of Civil Procedure.