Section 19.9.

Cal. Penal Code - PEN § 19.9.
in effect
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For purposes of this code, “mandatory supervision” shall mean the portion of a defendant’s sentenced term during which time he or she is supervised by the county probation officer pursuant to subparagraph (B) of paragraph (5) of subdivision (h) of Section 1170.

References

referencesCal. Penal Code - PEN § 1170.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026