The GCC’s six member states recognize the need to broaden their revenue stream beyond hydrocarbons. They plan the coordinated introduction of VAT. But not for at least three years.

GCC members have reached an agreement in principle to introduce value-added tax (VAT) across their six countries following a meeting of representatives from their ministries, UAE finance ministry undersecretary Yunis al-Khouri says. Discussions are underway among the six member states – Saudi Arabia,...