Kuwaiti General Administration for Immigration's Director-General Brigadier Kamel al-Awadhi has told the Kuna news agency that GCC immigration chiefs are expected to approve a single visa application system that will enable Gulf visitors to tour all the six GCC member countries. During a meeting of immigration chiefs in Abu Dhabi, the Gulf delegates will also adopt an overture to give foreign residents in GCC countries a 'double residency permit' in order to allow them to study and open offices in any GCC country, he added.