Section 3623 Of Chapter 5. Expedited Child Support Order From California Family Law Code >> Division 9. >> Part 1. >> Chapter 5.

. (a) An application for the expedited support order confers jurisdiction on the court to hear only the issue of support of the child or children for whom support may be ordered.
  (b) Nothing in this chapter prevents either party from bringing before the court at the hearing other separately noticed issues otherwise relevant and proper to the action in which the application for the expedited support order has been filed.