checkoff

noun3

1. •
   (US) The collection of union dues or other fees from employees via deductions from their wages.

   • Frye can help Seattles defense recognize formations, checkoffs and tendencies. — 2007
2. •
   (US) The optional allocation of part of a citizen's income tax towards the presidential election campaign fund.
3. •
   (US) A tax on sales of agricultural goods in order to finance a generic commodity marketing program.