Mont. Code § 28-1-211 : CONTRACTS AND OTHER OBLIGATIONS — OBLIGATIONS IN GENERAL — OBLIGATIONS IMPOSED BY LAW —1-211 - Implied covenant of good faith and fair dealing TEXT PDF The conduct required by the implied covenant of good faith and fair dealing is honesty in fact and the observance of reasonable commercial standards of fair dealing in the trade. § 28-1-211, MCA En. Sec. 1, Ch. 571, L. 1987.