California Code, Harbors and Navigation Code - HNC § 1177

(a) All pilots licensed pursuant to this division shall have and maintain proper federal endorsements allowing them to pilot on the high seas and on all waters of the Bays of San Francisco, San Pablo, and Suisun, excluding the San Joaquin River and the Sacramento deep water ship channel.

(b) Notwithstanding subdivision (a), all pilots issued original licenses pursuant to this division after December 31, 1987, shall have and maintain proper federal endorsements allowing them to pilot on the high seas and on all waters of the Bays of San Francisco, San Pablo, and Suisun, including the San Joaquin River and the Sacramento deep water ship channel.

(c) All pilots licensed pursuant to this division for Monterey Bay shall have and maintain proper federal endorsements allowing them to pilot on the high seas and on all the waters of Monterey Bay.