On or before the fifteenth day of each month, a lessee or permittee shall deliver to the Division of State Lands statements in the form prescribed, showing the work performed upon the leased or permitted area and the amount, quality, and value of all minerals produced, shipped or sold during the preceding calendar month. Longer intervals for such reports may be authorized but such authorization shall be granted only in writing and may be revoked or changed at any time upon written notice to the lessee or permittee.
Cal. Code Regs. Tit. 2, § 2205