Home2002 Treaties and Agreements ...Portugal (13101) – Air Transport Agreement hide Portugal (13101) – Air Transport Agreement TIAS Office of Treaty Affairs May 9, 2002 Transportation: Transport Services Agreement signed at Lisbon May 30, 2000; Entered into force May 9, 2002. With annexes. Download Attachment [2 MB] Tags Aviation and Maritime Transportation International Law, Treaties, and Agreements Portugal