All postal retail units must submit foreign-issued (exchanged) and U.S.-issued (redeemed) international reply coupons (IRCs) accepted through December 31, 2007, to the stamp distribution office (SDO) or stamp services center (SSC).
Section 1401.3 of the Field Accounting Procedures (FAP) guide contains specific instructions for submitting exchanged foreign-issued and redeemed U.S.-issued IRCs to their servicing SDO or SSC.