A Yellow Dog contract is a legal contract or agreement made between an employer and an employee, wherein the employer agrees to employ the employee, and in exchange the employee agrees not to join or associate with a labor union. In the United States, Yellow Dog contracts are illegal due to the Norris-LaGuardia Act. A contract is a promise or an agreement that is enforced or recognised by the law. ... Look up Agreement in Wiktionary, the free dictionary An agreement may be an agreement in beliefs, rules, practices (policies), or conduct. ... Employment is a contract between two parties, one being the employer and the other being the employee. ... Employment is a contract between two parties, one being the employer and the other being the employee. ... A union (labor union in American English; trade union, sometimes trades union, in British English; either labour union or trade union in Canadian English) is a legal entity consisting of employees or workers having a common interest, such as all the assembly workers for one employer, or all the workers... The Norris-LaGuardia Act (Sen. ...

This is sometimes referred to as a 'yellow dog clause'[1]. Further, this term is sometimes used to describe clauses that prevent an employee from working for other employers in the same industry. Such clauses may be included in non-disclosure agreements. A non-disclosure agreement (NDA), also called a confidential disclosure agreement (CDA), confidentiality agreement or secrecy agreement, is a legal contract between at least two parties which outlines confidential materials the parties wish to share with one another for certain purposes, but wish to restrict from generalized use. ...