It is important to include that Constitutional Art. 133 indicates that international treaties signed by the president and ratified by the Senate will be the supreme law of the entire union. For this reason, it should be remembered that Mexico is part of various international treaties that protect different protective rights of migrants, such as the Inter-American Convention on Human Rights, which in its article 22 establishes the rights of movement and residence, stipulating among others the right to freely leave any country, including one's own, may only be restricted by-laws to protect national security, public order or security, public morals or health, or the rights and freedoms of others. Mexico is part of the United Nations Convention on Migrant Workers, which broadly stipulates their rights and the corpus juris for the protection of the rights of women and girls.