Thai authorities have said foreigners would be required to have their faces scanned, which would then be matched against the photo in their passports, to buy SIM cards in the Southeast Asian country.However, a delay in rolling out the e-passport scanning machines to vendors has meant that foreigners are not yet required to submit facial scans."The problem is with the equipment. Machines to scan e-passports are much more expensive than those to scan ID cards, which are cheaper. Even 7-Eleven has them," Prawit Leesatapornwongsa, NBTC commissioner told Khaosod.When the e-passport machines are eventually rolled out they will only be available in areas popular with foreigners.