term:

Hot Cargo

hot cargo n

: products made by nonunion employees or by employees considered to be treated unfairly by their employer
adj : of, relating to, or being an agreement between labor and an employer barring the employer from using or otherwise dealing with the products of another employer whose employees are nonunion NOTE: Hot cargo agreements, clauses, and provisions were outlawed by the Labor Management Reporting and Disclosure Act.

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.