The new law is proposed as part of efforts under the IMF programme to improve governance, Transport Minister Gunawardana says
Taweesin Wisanuyothin, a Public Health Ministry spokesman, said the new cases were linked to earlier infections from a boxing match, an entertainment complex and a religious gathering in neighbouring Malaysia.
Of those infected, 366 are currently being treated, while 44 have recovered.
Thailand has reported one death in the outbreak.