If any amount of the excise tax levied on alcoholic beverages is not paid or remitted within thirty (30) calendar days after the same became delinquent, as set out in 710:20-3-4, a penalty, at the rate of ten percent (10%) of the total amount of such delinquent excise tax, shall be calculated and collected as part of the delinquent tax. [See: 68 O.S. § 217]
Okla. Admin. Code § 710:20-3-6