Home2013 Treaties and Agreements ...International Institute for the Unification of Private Law (13-917) – Tax Reimbursement Agreement hide International Institute for the Unification of Private Law (13-917) – Tax Reimbursement Agreement TIAS Office of Treaty Affairs September 17, 2013 Taxation: Reimbursement Agreement signed at Rome September 17, 2013; entered into force September 17, 2013. With annex. Download attachment [618 KB] Tags Taxation Treaties