Tracking device warrant: maximum authorized use period (30 days from issuance)
30 days after date the tracking device warrant was issued, under Cal. Pen. Code 1534(b)(1).
Rule text
(b)(1) A tracking device search warrant issued pursuant to paragraph (12) of subdivision (a) of Section 1524 shall identify the person or property to be tracked and shall specify a reasonable length of time, not to exceed 30 days from the date the warrant is issued, that the device may be used. The court may, for good cause, grant one or more extensions for the time that the device may be used, with each extension lasting for a reasonable length of time, not to exceed 30 days.
Calculate this deadline
- Trigger (Date the tracking device warrant was issued): Friday, November 6, 2026.
- Exclude the trigger day and count 30 calendar days: Sunday, December 6, 2026.
- That day is a Sunday, but this date is fixed by the rule and does not move: Sunday, December 6, 2026.
Cal. Pen. Code 1534(b)(1)
(b)(1) A tracking device search warrant issued pursuant to paragraph (12) of subdivision (a) of Section 1524 shall identify the person or property to be tracked and shall specify a reasonable length of time, not to exceed 30 days from the date the warrant is issued, that the device may be used. The court may, for good cause, grant one or more extensions for the time that the device may be used, with each extension lasting for a reasonable length of time, not to exceed 30 days.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
- Outer limit; the warrant may specify a shorter period, and extensions (each up to 30 days) may be granted for good cause. roll none.
- 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 tracking device warrant was issued on Monday, March 15, 2027, personal service: due Wednesday, April 14, 2027.
- Trigger (Date the tracking device warrant was issued): Monday, March 15, 2027.
- Exclude the trigger day and count 30 calendar days: Wednesday, April 14, 2027.
Notes
Outer limit; the warrant may specify a shorter period, and extensions (each up to 30 days) may be granted for good cause. roll none.
Related deadlines
- Search warrant: execute and return within 10 days after issuance (void if unexecuted) (10 days after)
- Tracking device warrant: complete execution within 10 days after issuance (10 days after)
- Tracking device warrant: file return and notify tracked person within 10 calendar days after tracking ends (10 days after)
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.
- Alameda
- Alpine
- Amador
- Butte
- Calaveras
- Colusa
- Contra Costa
- Del Norte
- El Dorado
- Fresno
- Glenn
- Humboldt
- Imperial
- Inyo
- Kern
- Kings
- Lake
- Lassen
- Los Angeles
- Madera
- Marin
- Mariposa
- Mendocino
- Merced
- Modoc
- Mono
- Monterey
- Napa
- Nevada
- Orange
- Placer
- Plumas
- Riverside
- Sacramento
- San Benito
- San Bernardino
- San Diego
- San Francisco
- San Joaquin
- San Luis Obispo
- San Mateo
- Santa Barbara
- Santa Clara
- Santa Cruz
- Shasta
- Sierra
- Siskiyou
- Solano
- Sonoma
- Stanislaus
- Sutter
- Tehama
- Trinity
- Tulare
- Tuolumne
- Ventura
- Yolo
- Yuba
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.