Cal. Penal Code § 1305.4

Notwithstanding Section 1305, the surety insurer, the bail agent, the surety, or the depositor may file a motion, based upon good cause, for an order extending the 180-day period provided in that section. The motion shall include a declaration or affidavit that states the reasons showing good cause to extend that period. The court, upon a hearing and a showing of good cause, may order the period extended to a time not exceeding 180 days from its order. A motion may be filed and calendared as provided in subdivision (j) of Section 1305. In addition to any other notice required by law, the moving party shall give the prosecuting agency a written notice at least 10 court days before a hearing held pursuant to this section as a condition precedent to granting the motion.