Value Added Tax (VAT) has been introduced in Saudi Arabia and the United Arab Emirates for the first time.
The Gulf states have been under pressure to increase state revenue in the face of lower oil prices
- At a GCC summit in Kuwait City, the United Arab Emirates announce a political and military alliance with Saudi Arabia.
- Saudi Arabia, and subsequently the United Arab Emirates and Kuwait, urge all citizens currently in Lebanon to leave the country immediately. Recently, Saudi Arabia declared that a missile attack on its airport from Yemen was "an act of war" by Lebanon.
- Qatar files a legal complaint at the World Trade Organization (WTO) concerning the embargo imposed by Saudi Arabia, Egypt, Bahrain and United Arab Emirates in June. The parties have 60 days to settle the complaint to avoid WTO litigation.
- Human rights activists accuse forces led by Saudi Arabia and the UAE of kidnapping and torturing people during the Yemeni conflict.
- Bahrain, Egypt, Libya, the Maldives, Saudi Arabia, the United Arab Emirates, and the internationally recognized government of Yemen sever diplomatic ties with Qatar, ordering Qatari citizens in those countries to be expelled as well as cutting all land, air and sea connections. "National security," "media incitement" and Qatar's support of Iran are variously cited.