Details.
From April 1, 2026 through December 31, 2026, participants receive a discount for sending follow-up mailings that repeatedly deliver qualifying USPS Marketing Mail letters and flats to the same address. The repeated mailings must complement or build upon, but not duplicate, the initial mailing. There is no discount on the initial mailing, but all consecutive mailings receive 5%. Registration is February 15, 2026 through December 31, 2026. Eligible mail includes Marketing Mail letters and flats and Nonprofit Marketing Mail letters and flats. Content of eligible mailings must build upon or complement the initial mailing.