"BANGKOK — Labor activists in Thailand are welcoming the government?s extension of a deadline for close to two million undocumented migrant workers to become legal. The illegal migrants now have four additional months to register through a new simplified process. But, activists say the new rules still allow room for exploiting foreign workers mainly from Burma, Cambodia and Laos. Thailand this week announced a four-month extension on a deadline for undocumented foreign workers to become registered. Missed deadline The extension comes after a month of wrangling over a December 14 deadline and threats of mass deportation for over a million workers. Thailand has an estimated 2.5 million migrant workers, mostly from Burma, but less than a million met the deadline to get their permits. Thai authorities threatened to deport the remaining migrants, including tens of thousands whose paperwork was still being processed. The threats were never enforced and on Tuesday Thai media reports said a deal was reached to extend the deadline to April 14 and allow all undocumented workers to participate..."