2. No migrant worker or member of his or her family shall be required to perform forced or compulsory labour. 3. Paragraph 2 of the present article shall not be held to preclude, in States where imprisonment with hard labour may be imposed as a punishment for a crime, the performance of hard labour in pursuance of a sentence to such punishment by a competent court. 4. For the purpose of the present article the term “forced or compulsory labour” shall not include: (a) Any work or service not referred to in paragraph 3 of the present article normally required of a person who is under detention in consequence of a lawful order of a court or of a person during conditional release from such detention; (b) Any service exacted in cases of emergency or calamity threatening the life or well-being of the community; (c) Any work or service that forms part of normal civil obligations so far as it is imposed also on citizens of the State concerned. Article 12 1. Migrant workers and members of their families shall have the right to freedom of thought, conscience and religion. This right shall include freedom to have or to adopt a religion or belief of their choice and freedom either individually or in community with others and in public or private to manifest their religion or belief in worship, observance, practice and teaching. 2. Migrant workers and members of their families shall not be subject to coercion that would impair their freedom to have or to adopt a religion or belief of their choice. 3. Freedom to manifest one’s religion or belief may be subject only to such limitations as are prescribed by law and are necessary to protect public safety, order, health or morals or the fundamental rights and freedoms of others. 4. States Parties to the present Convention undertake to have respect for the liberty of parents, at least one of whom is a migrant worker, and, 110