FAMILY CODE SECTION 3600-3604
3600. During the pendency of any proceeding for dissolution of
marriage or for legal separation of the parties or under Division 8
(commencing with Section 3000) (custody of children) or in any
proceeding where there is at issue the support of a minor child or a
child for whom support is authorized under Section 3901 or 3910, the
court may order (a) either spouse to pay any amount that is necessary
for the support of the other spouse, consistent with the
requirements of subdivisions (i) and (m) of Section 4320 and Section
4325, or (b) either or both parents to pay any amount necessary for
the support of the child, as the case may be.
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.
3602. Unless the order specifies otherwise, an order made pursuant
to this chapter is not enforceable during any period in which the
parties have reconciled and are living together.
3603. An order made pursuant to this chapter may be modified or
terminated at any time except as to an amount that accrued before the
date of the filing of the notice of motion or order to show cause to
modify or terminate.
3604. An order made pursuant to this chapter does not prejudice the
rights of the parties or the child with respect to any subsequent
order which may be made.