Acceptance by the landlord of full payment of rent due is a waiver of a claimed breach of a rental agreement only when the claimed breach is the nonpayment of rent. Acceptance of full payment of rent due when a claimed breach is something other than the nonpayment of rent does not constitute a waiver of any right. The acceptance of partial payment of rent due does not constitute a waiver of any right, including rent due.
Mont. Code Ann. § 70-24-423
Waiver of landlord's right to terminate for breach
Known as the The Montana Residential Landlord and Tenant Act
The act spans §§ 70–70 (62 sections).
En. 42-436 by Sec. 36, Ch. 313, L. 1977; R.C.M. 1947, 42-436; amd
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.