it has a Memorandum of understanding between the Burmese and Thai goverment that sined in 2009; Burmese migrant workers whose four-year visa have expired are allowed to come back to work in Thailand only after they have gone back to Burmese and lived there for three but they can't because several people was arrested while some others have gone into hiding And those with expired visa could continue working but were not allowed to move some where else