When a purchaser has complied fully with the provisions of his contract and with the applicable provisions of law, including the regulations in this subpart, the Commissioner shall issue to the purchaser a final receipt so stating. The receipt shall show any liens that, under the reclamation laws, must be indicated in the final certificate and patent and shall state the statutory authority for such liens. The receipt shall be submitted to the Manager of the appropriate land office of the Bureau of Land Management and the Manager shall prepare a final certificate for the issuance of patent to the purchaser. The Manager shall show in the final certificate the above-mentioned reclamation liens and any reservations that are required by law to be made on the patent.