shall be guilty, upon conviction, of a felony and shall be punished by the imposition of a fine of not less than Five Hundred Dollars ($500.00) nor more than Twenty Thousand Dollars ($20,000.00) or by imprisonment for not less than thirty (30) days nor more than ten (10) years, or by both such fine and imprisonment.
any act specified in paragraphs 1, 2, 3 or 4 of subsection A of this section, shall be guilty of a felony, upon conviction, and shall be punished by imprisonment in the custody of the Department of Corrections for not less than ten (10) years nor more than thirty (30) years, except when the minor child is under twelve (12) years of age at the time the offense is committed, and in such case the person shall, upon conviction, be punished by imprisonment in the custody of the Department of Corrections for not less than twenty-five (25) years.
Okla. Stat. tit. 21, § 1021