checkoff
noun [ U ]
US uk/ˈtʃekɒf/ us MARKETING
a system in which producers pay a certain amount of money to an organization for the advertising of the products of their industry in general, rather than of their particular brand:
The national dairy checkoff program is increasing sales of US-produced dairy products.
TAX
a system that allows a person to have part of their taxes used for a particular purpose:
The legislature added the voluntary donation checkoff on state income tax forms.
HR
the system by which an employer takes money out of a worker's pay in order to make a regular payment to the worker's union
See also
automatic check-off