The execution of a contract in writing, whether the law requires it to be written or not, supersedes all the oral negotiations or stipulations concerning its matter which preceded or accompanied the execution of the instrument.
Mont. Code Ann. § 28-2-904
Effect of written contract on oral agreements
Applied in 3 court decisions — leading case Vinion v. Amgen Inc. (2008)
Most recently applied in Croteau v. National Better Living Ass'n (May 2013)
En
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
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.