Since 1996, the Thai government has

Since 1996, the Thai government has permitted employers to register their migrant
workers. More recently, migrants have undergone the Nationality Verification Process,
which entitles workers to a temporary passport and legal status. In 2010, just under a
million migrant workers registered with a work permit. It is estimated that there are
still many more undocumented migrant workers in the country and over a hundred
thousand migrant children whose legal status is uncertain.