contribution base unit definition
contribution base unit. ’ means a unit with respect to which an employer has an obli- gation to contribute under a multiemployer plan, as defined in regulations prescribed by the Secretary of the Treasury;
contribution base unit. ’ means a unit with respect to which an employer has an obli-
contribution base unit means an hour of employment earned by an employee in a capacity for which the employer is required to make a contribution to the Fund pursuant to a written agreement or pursuant to a duty under applicable labor-manage- ment relations law.