Minn. Stat. § 147.21: REGISTRATION FEES FOR OSTEOPATHIC PHYSICIANS.

Every doctor of osteopathic medicine licensed by the state Board of Osteopathy under Minnesota Statutes 1961, sections 148.11 to 148.16, prior to May 1, 1963, and not licensed to practice medicine under this chapter shall annually register with the board in the manner prescribed in section 146.13.