Home2012 Treaties and Agreements ...Oman (12-812) – Agreements Amending Agreement Concerning the Provision of Petroleum Products and Related Services hide Oman (12-812) – Agreements Amending Agreement Concerning the Provision of Petroleum Products and Related Services TIAS Office of Treaty Affairs August 12, 2012 Defense Agreements amending the agreement of September 19, 2008 (08 919 [1 MB]). Signed at Fort Belvoir and Muscat July 20 and August 12, 2012; entered into force August 12, 2012. Signed at Fort Belvoir and Muscat January 9 and February 11, 2014; entered into force February 11, 2014. Download attachment [2 MB] Tags International Law, Treaties, and Agreements Oman Security and Defense