The meeting comes amid the heightened diplomatic tension between Iran and the United States after Washington announced that no fresh sanction waivers will be issued for Iranian oil imports to eight countries including India.
US Acting Secretary of Defence Patrick Shanahan approved the deployments on Sunday because of 'clear indications that Iranian and Iranian proxy forces are making preparations to possibly attack US forces in the region (Middle East)'.
The legislation is a step further after Iranian lawmakers last week approved a bill labelling US troops in the Mideast as terrorist, a day after the US terrorism designation for Iran's Revolutionary Guard came into effect.
Zarif's resignation, if accepted by Iran's relatively moderate President Hassan Rouhani, would leave the cleric without one of his main allies in pushing the Islamic Republic toward further negotiations with the West.
Chairman of the Chief of Staff of the Iranian Armed Forces emphasized that the Gulf countries are capable of ensuring security on their own and the US presence in the region has only created insecurity.
Six other countries- Greece, Italy, Turkey, South Korea, Taiwan and Japan- also received exemption. The US said it will continue to negotiate with these countries to get them to cut their Iranian imports to zero.