(a) $4.60 or, if another amount (not exceeding $18.00) is
prescribed by the regulations, the other amount, for the purpose of payment to
the Rural Industries Research and Development Corporation;
(b) 73 cents or, if another amount (not exceeding $4.00) is prescribed by
the regulations, the other amount, for the purpose of payment into the
National Cattle Disease Eradication Account.