Home1998 Treaties and Agreements ...Ethiopia (12996) – Agreement to Exempt from Income Tax, on a Reciprocal Basis, Income Derived from the International Operation of Aircraft and Ships hide Ethiopia (12996) – Agreement to Exempt from Income Tax, on a Reciprocal Basis, Income Derived from the International Operation of Aircraft and Ships TIAS Office of Treaty Affairs November 12, 1998 Taxation: Shipping and Aircraft Agreement effected by exchange of notes at Addis Ababa October 30 and November 12, 1998; Entered into force November 12, 1998; Effective January 1, 1998. Download attachment [224 KB] Tags Ethiopia Taxation Treaties