effective sanctions on persons, groups or entities which organize, operate or assist in organizing or operating such movements; (c) Measures to impose effective sanctions on persons, groups or entities which use violence, threats or intimidation against migrant workers or members of their families in an irregular situation. 2. States of employment shall take all adequate and effective measures to eliminate employment in their territory of migrant workers in an irregular situation, including, whenever appropriate, sanctions on employers of such workers. The rights of migrant workers vis-à-vis their employer arising from employment shall not be impaired by these measures. Article 69 1. States Parties shall, when there are migrant workers and members of their families within their territory in an irregular situation, take appropriate measures to ensure that such a situation does not persist. 2. Whenever States Parties concerned consider the possibility of regularizing the situation of such persons in accordance with applicable national legislation and bilateral or multilateral agreements, appropriate account shall be taken of the circumstances of their entry, the duration of their stay in the States of employment and other relevant considerations, in particular those relating to their family situation. Article 70 States Parties shall take measures not less favourable than those applied to nationals to ensure that working and living conditions of migrant workers and members of their families in a regular situation are in keeping with the standards of fitness, safety, health and principles of human dignity. Article 71 1. States Parties shall facilitate, whenever necessary, the repatriation to the State of origin of the bodies of deceased migrant workers or members of their families. 136