Cal. Pub. Res. Code § 6311

It is hereby declared to be the policy of this state that any grant of tidelands or submerged lands made after January 1, 1971, within an area which has been designated by the Division of Boating and Waterways within the Department of Parks and Recreation as the location of a small craft harbor of refuge, shall contain a reservation and condition requiring the grantee to submit a plan to the Division of Boating and Waterways within the Department of Parks and Recreation, within a reasonable period of time after the effective date of the grant, for the construction of facilities necessary or convenient for the use of the granted lands as a small craft harbor of refuge, and requiring the construction of facilities to be completed within a specified period of time after approval of the plan by the Division of Boating and Waterways within the Department of Parks and Recreation.