(a) Each competitive bid submitted in response to a Notice of Competitive Lease Sale must be accompanied by full payment of the first year's rental based on the total acreage for that lease in the Notice of Competitive Lease Sale.

(b) If the acreage is incorrectly indicated in a Notice of Competitive Lease Sale, payment of the rental based on the error is curable within 15 calendar days of receipt of notice from the authorized officer of the error.

(c) Rental will not be prorated for any lands in which the United States owns an undivided fractional interest and must be paid for the full acreage in such lands.