(a) For prospecting permits, pay your rental in advance each year before the anniversary date of the permit.

(b) For sodium, potassium or asphalt leases, pay your rental in advance before January 1 of each year.

(c) For phosphate leases pay your rental in advance on or before the anniversary date of the lease.

(d) For other mineral leases not covered in paragraph (b) or (c) of this section, pay the rental in advance each year before the anniversary of the effective date of the lease.

(e) MMS will credit your lease rental for any year against the first production royalties or minimum royalties (see §3504.25 of this part) as the royalties accrue under the lease during that year.