Government Code section 23177

Every common boundary between counties which has been mutually used by the counties adjacent thereto for the purpose of the assessment and collection of taxes for a period of 15 years continuously prior to the effective date of this section is hereby confirmed, validated, and declared to be legally established.

Source: Section 23177, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=GOV§ionNum=23177.­ (updated Jan. 1, 1951; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 23177's source at ca​.gov