Home2022 Treaties and Agreements ...Bulgaria (22-721) – Agreement Concerning Leahy Ineligible Units Written Agreement Requirement hide Bulgaria (22-721) – Agreement Concerning Leahy Ineligible Units Written Agreement Requirement TIAS Office of Treaty Affairs July 21, 2022 Foreign Assistance Signed at Sofia July 21, 2022; entered into force July 21, 2022. Download Agreement [522 KB] Tags Bulgaria Foreign Assistance Treaties