The revisions published Tuesday come amid rising international concern over a harsh crackdown in Xinjiang that has led to as many as one million of China's Uighurs and other Muslim minorities being held in internment camps.
Chinese authorities deny the internment camps exist but say petty criminals are sent to vocational 'training centres.'
Former detainees in the camps say they were forced to eat pork and drink alcohol, as well as denounce Islam and profess loyalty to the ruling Communist Party.
China has said Xinjiang faces a serious threat from Islamist militants and separatists who plot attacks and stir up tension between the mostly Muslim Uighur minority and the ethnic Han Chinese majority.
Article 33 in the revised Xinjiang law stipulates that 'conversion institutions such as vocational skill education centres should carry out trainings on the common national language, laws, regulations and vocational skills, and carry out anti-extremist ideological education, and psychological and behavioral correction to promote thought transformation of trainees, and help them return to the society and family.'