The Minnesota coordinate system of 1927 must not be used after December 31, 1992. The Minnesota coordinate system of 1983 is the sole coordinate system that may be used after that date.
Minn. Stat. § 505.28
LAST USE OF 1927 COORDINATE SYSTEM.
1985 c 299 s 38
Official source: Minnesota Office of the Revisor of Statutes. Reproduced from public-domain Minnesota statutes; confirm against the official source for the current text. Not legal advice.