Okla. Stat. tit. 45, § 45-932: Delinquent reports and fees - Penalty - Time extension

A. Any operator who shall fail or refuse to file such quarterly

report and pay his fees within the time and in the manner prescribed

by law shall be deemed delinquent and a penalty of ten percent (10%)

shall be added to the amount of fees actually due for said period.

B. The Chief Mine Inspector may, in his discretion, grant an

extension of time not exceeding thirty (30) days within which the

fees for any quarterly period may be reported and paid without

addition of the ten percent (10%) penalty.