Cal. Government Code § 27285

The following documents may be recorded without acknowledgment or further proof: (a) Letters patent from the United States or from the state, executed and authenticated pursuant to existing law. (b) Leases for the development and extraction of minerals, including oil and gas, in which the United States is the lessor, executed on behalf of the United States by the Secretary of the Interior or by any other properly authorized officer or officers. (c) Copies of interdepartmental letters or decisions of the Department of the Interior or of any duly authorized officer or employee thereof approving assignments or surrenders of such leases or encumbrances thereon or canceling any such leases, certified by the Director of the Bureau of Land Management of the Department of the Interior, or by any duly authorized officer or employee having the custody of such letters of decisions. (d) Copies of documents filed with the General Land Office of the Department of the Interior or in any district land office executed and acknowledged in a manner which would entitle them to be recorded and by which any interest in such leases or in the production thereunder is conveyed, assigned, encumbered or quitclaimed, certified by the officer or employee of the Department of the Interior having the custody of such documents. When a copy of any document so certified is recorded, the record has the same force and effect as though it were the record of the original document.