The object of the contract must be lawful when the contract is made and possible and ascertainable by the time the contract is to be performed. Everything is deemed possible except that which is impossible in the nature of things.
Mont. Code Ann. § 28-2-602
Essential characteristics of object
En
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.