Interstate Agreement on Detainers: trial within 180 days after prisoner's request

180 days after date the prisoner's written notice and request for final disposition was delivered to the prosecuting officer and the court, under Cal. Pen. Code 1389, Article III(a).

Rule text

he shall be brought to trial within one hundred eighty days after he shall have caused to be delivered to the prosecuting officer and the appropriate court of the prosecuting officer’s jurisdiction written notice of the place of his imprisonment and his request for a final disposition to be made of the indictment, information or complaint: provided that for good cause shown in open court, the prisoner or his counsel being present, the court having jurisdiction of the matter may grant any necessary or reasonable continuance.

Cal. Pen. Code 1389, Article III(a), official source

Calculate this deadline

Deadline
Wednesday, May 5, 2027
  1. Trigger (Date the prisoner's written notice and request for final disposition was delivered to the prosecuting officer and the court): Friday, November 6, 2026.
  2. Exclude the trigger day and count 180 calendar days: Wednesday, May 5, 2027.
Rules applied
Cal. Pen. Code 1389, Article III(a)
he shall be brought to trial within one hundred eighty days after he shall have caused to be delivered to the prosecuting officer and the appropriate court of the prosecuting officer’s jurisdiction written notice of the place of his imprisonment and his request for a final disposition to be made of the indictment, information or complaint: provided that for good cause shown in open court, the prisoner or his counsel being present, the court having jurisdiction of the matter may grant any necessary or reasonable continuance.
Official source
Cal. Code Civ. Proc. 12, 12a, 10; Gov. Code 6800, 6804, 6806; Cal. Rules of Court, rule 1.10 (for periods set by the Rules of Court)
CCP 12: "The time in which any act provided by law is to be done is computed by excluding the first day, and including the last, unless the last day is a holiday, and then it is also excluded." CCP 12a: "(a) If the last day for the performance of any act provided or required by law to be performed within a specified period of time is a holiday, then that period is hereby extended to and including the next day that is not a holiday. For purposes of this section, “holiday” means all day on Saturdays, all holidays specified in Section 135 and, to the extent provided in Section 12b, all days that by terms of Section 12b are required to be considered as holidays.(b) This section applies to Sections 659, 659a, and 921, and to all other provisions of law providing or requiring an act to be performed on a particular day or within a specified period of time, whether expressed in this or any other code or statute, ordinance, rule, or regulation." CCP 10: "Holidays within the meaning of this code are every Sunday and any other days that are specified or provided for as judicial holidays in Section 135." Gov. Code 6800: "The time in which any act provided by law is to be done is computed by excluding the first day, and including the last, unless the last day is a holiday, and then it is also excluded." Gov. Code 6804: "“Month” means a calendar month, unless otherwise expressed." Gov. Code 6806: "A day is the period of time between any midnight and the midnight following." CRC 1.10(a): "The time in which any act provided by these rules is to be performed is computed by excluding the first day and including the last, unless the last day is a Saturday, Sunday, or other legal holiday, and then it is also excluded." CRC 1.10(b): "Unless otherwise provided by law, if the last day for the performance of any act that is required by these rules to be performed within a specific period of time falls on a Saturday, Sunday, or other legal holiday, the period is extended to and includes the next day that is not a holiday."
Official source
  • California as receiving state; prisoner imprisoned in another party state with a California detainer. Runs from delivery to BOTH the prosecutor and the court (enter the later). Tolling for the prisoner's inability to stand trial (Article VI) and computation questions under the IAD are governed by federal-law case law (UNVERIFIED).
  • If the clerk's office is closed or inaccessible on the last day (weather, emergency or local closure orders), the deadline may be extended. Check local orders.

This calculator applies the cited rules to the dates you enter. It is not legal advice. Court orders, local rules, and case-specific facts can change a deadline; verify before relying on it. Rule set pending attorney review.

Worked example

Date the prisoner's written notice and request for final disposition was delivered to the prosecuting officer and the court on Monday, March 15, 2027, personal service: due Monday, September 13, 2027.

  1. Trigger (Date the prisoner's written notice and request for final disposition was delivered to the prosecuting officer and the court): Monday, March 15, 2027.
  2. Exclude the trigger day and count 180 calendar days: Saturday, September 11, 2027.
  3. That day is a Saturday, so the deadline moves to the next court day: Monday, September 13, 2027 (Cal. Code Civ. Proc. 12, 12a, 10; Gov. Code 6800, 6804, 6806; Cal. Rules of Court, rule 1.10 (for periods set by the Rules of Court)).

Notes

California as receiving state; prisoner imprisoned in another party state with a California detainer. Runs from delivery to BOTH the prosecutor and the court (enter the later). Tolling for the prisoner's inability to stand trial (Article VI) and computation questions under the IAD are governed by federal-law case law (UNVERIFIED).

Related deadlines

All California criminal deadlines

Local rules by county

County local rules and courtroom procedures can add to or change this deadline. Pick a county to calculate with them applied.

Rules current as of 2026-10-25. Confirm against the official source and any local rule or court order before relying on a date. Rules changelog.