Section 23170.

Cal. Government Code - GOV § 23170.
in effect
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Every common boundary between counties which has been mutually recognized and used by the counties adjacent thereto for the purpose of the assessment and collection of taxes for a period of 25 years continuously prior to July 30, 1927, is confirmed, validated, and declared to be legally established.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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