(1) Except as provided in subdivision (2) of this section, a person violating any provision of this subchapter commits a felony and upon conviction shall be fined not more than two thousand dollars ($2,000), and be imprisoned in the state penitentiary not less than two (2) nor more than five (5) years. For a second offense, or if, in case of a first conviction of violation of any provision of this subchapter, the offender shall previously have been convicted of any violation of the laws of the United States or of any other state, territory, or district relating to narcotic drugs or marijuana, the offender shall be guilty of a felony and shall be fined not more than two thousand dollars ($2,000) and be imprisoned in the state penitentiary not less than five (5) nor more than ten (10) years. For a third or subsequent offense, or if, the offender shall previously have been convicted two (2) or more times in the aggregate of any violation of the law of the United States or of any other state, territory, or district relating to narcotic drugs or marijuana, the offender shall be guilty of a felony and shall be fined not more than two thousand dollars ($2,000) and be imprisoned in the state penitentiary not less than ten (10) or more than twenty (20) years.

Except in the case of conviction for a first offense for violation of the provisions of this subchapter the imposition or execution of sentence shall not be suspended and probation or parole shall not be granted until the minimum imprisonment herein provided for the offense shall have been served.

(2) A person violating § 20-64-217 in a manner involving only a preparation exempted by § 20-64-208 for a first conviction shall be fined not more than twenty-five dollars ($25.00), for a second conviction shall be fined not more than fifty dollars ($50.00), and for a third or subsequent conviction shall be fined not more than one hundred dollars ($100).