All divisions of land for sale other than a subdivision after July 1, 1974, into parcels which cannot be described as 1/32 or larger aliquot parts of a United States government section or a United States government lot must be surveyed by or under the supervision of a registered land surveyor. Surveys required under this section must comply with the requirements of 76-3-406.
Survey Requirements For Lands Other Than Subdivisions
Mont. Code Ann. § 76-3-401, under Survey Requirements.
Mont. Code Ann. § 76-3-401