Those who transport goods will be allowed to enter the country provided they leave quickly. Operators of land, sea and air transport like drivers, pilots and ship crew must follow their time table. Diplomatic staff, members of international organisations and government representatives who have missions in Thailand are allowed to come in. Their family members also will be allowed if authorised by the Ministry of Foreign Affairs. Non-Thai nationals who have work permits in Thailand also will be allowed. Thai nationals contracted with a Thai embassy or consulate must obtain a fit-to-fly health certificate issued no more than 72 hours before travelling.