1. Contracts. The common-law doctrine holding that a contract cannot unfavorably affect the rights of a person who is not a party to the contract. [Cases: Contracts 186(1).]
2. Evidence. The rule prohibiting the admission of collateral facts into evidence. [Cases: Criminal Law 369.1; Evidence 99, 130. C.J.S. Criminal Law § 825; Evidence§§ 2–5, 197–199, 204, 206, 760–761.]