California Code, Penal Code - PEN § 4024.1

(a) The sheriff, chief of police, or any other person responsible for a county or city jail may apply to the presiding judge of the superior court to receive general authorization for a period of 30 days to release inmates pursuant to the provisions of this section.

(b) Whenever, after being authorized by a court pursuant to subdivision (a), the actual inmate count exceeds the actual bed capacity of a county or city jail, the sheriff, chief of police, or other person responsible for such county or city jail may accelerate the release, discharge, or expiration of sentence date of sentenced inmates up to a maximum of 30 days.

(c) The total number of inmates released pursuant to this section shall not exceed a number necessary to balance the inmate count and actual bed capacity.

(d) Inmates closest to their normal release, discharge, or expiration of sentence date shall be given accelerated release priority.

(e) The number of days that release, discharge, or expiration of sentence is accelerated shall in no case exceed 10 percent of the particular inmate's original sentence, prior to the application thereto of any other credits or benefits authorized by law.