Home1998 Treaties and Agreements ...Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (12987) – Tax Reimbursement Agreement hide Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (12987) – Tax Reimbursement Agreement TIAS Office of Treaty Affairs October 21, 1998 Taxation: Reimbursement Agreement signed at Washington October 21, 1998; Entered into force October 21, 1998. With annex. Download attachment [320 KB] Tags Taxation Treaties