Even though unused coupons meant more money for the program, the coupons had to actually expire before the money could be "reused" for newly issued coupons. Those coupons it did send out were sent via standard mail, rather than first-class mail, as Congress had required in the legislation, but that caused coupons to be delayed up to four weeks.
Unused coupons suggested additional funds for the program; however, these coupons had to expire before reuse was possible. The coupons sent out were delivered through regular mail instead of first-class mail, as specified in the law, but this resulted in delays of up to four weeks.