Nothing contained in sections 626.841 to 626.863 shall be construed to exempt any peace officer from the provisions of sections 626.841 to 626.863, or to exempt a peace officer having received the peace officer's last permanent appointment as a peace officer prior to July 1, 1967.
Minn. Stat. § 626.847
1967 c 870 s 7; 1977 c 433 s 9; 1978 c 681 s 19; 1986 c 444; 1997 c 7 art 1 s 169