Migrants by Land, Sea and Air, supplementing the Convention of 2000; It further urges States parties to these instruments to implement them fully; 79. Calls upon States to promote and protect the exercise of the rights set out in the Declaration on the Elimination of All Forms of Intolerance and of Discrimination Based on Religion or Belief, proclaimed by the General Assembly in its resolution 36/55 of 25 November 1981, in order to obviate religious discrimination which, when combined with certain other forms of discrimination, constitutes a form of multiple discrimination; 80. Urges States to seek full respect for, and compliance with, the Vienna Convention on Consular Relations of 1963, especially as it relates to the right of foreign nationals, regardless of their legal and immigration status, to communicate with a consular officer of their own State in the case of arrest or detention; 81. Urges all States to prohibit discriminatory treatment based on race, colour, descent or national or ethnic origin against foreigners and migrant workers, inter alia, where appropriate, concerning the granting of work visas and work permits, housing, health care and access to justice; 82. Underlines the importance of combating impunity, including for crimes with a racist or xenophobic motivation, also at the international level, noting that impunity for violations of human rights and international humanitarian 75