Mont. Code Ann. § 70-5-201

When finder may sell thing found

The finder of a thing may sell it, if it is a thing which is commonly the subject of sale, when the owner cannot with reasonable diligence be found or being found refuses upon demand to pay the lawful charges of the finder, in the following cases:

(1) when the thing is in danger of perishing or of losing the greater part of its value; or

(2) when the lawful charges of the finder amount to two-thirds of its value.

History:
En. Sec. 2525, Civ. C. 1895
Re-en. Sec. 5183, Rev. C. 1907
Re-en. Sec. 7690, R.C.M. 1921
Cal. Civ. C. Sec. 1869
Field Civ. C. Sec. 943
Re-en. Sec. 7690, R.C.M. 1935
R.C.M. 1947, 20-406.