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All persons deprived of their liberty shall be treated with humanity and with respect for the inherent dignity of the human person.

Migrant workers and members of their families who are deprived of their liberty shall be treated with humanity and with respect for the inherent dignity of the human person and for their cultural identity.

Every child deprived of liberty shall be treated with humanity and respect for the inherent dignity of the human person, and in a manner which takes into account the needs of persons of his or her age. In particular, every child deprived of liberty shall be separated from adults unless it is considered in the child's best interest not to do so and shall have the right to maintain contact with his or her family through correspondence and visits, save in exceptional circumstances.

States Parties shall ensure that if persons with disabilities are deprived of their liberty through any process, they are, on an equal basis with others, entitled to guarantees in accordance with international human rights law and shall be treated in compliance with the objectives and principles of the present Convention, including by provision of reasonable accommodation.

Alternatives to detention should be realistic and must not depend upon the ability of the individual to pay for these. Alternatives to detention may take various forms, including reporting at regular intervals to the authorities, community-based solutions, release on bail or other securities, or stay in open centres or at a designated place. The conditions in any such open centres and other facilities must be humane and respectful of the inherent dignity of all persons.

Detaining children because of their parents’ migration status will always violate the principle of the best interests of the child and constitutes a violation of the rights of the child. Children must not be separated from their parents and/or legal guardians. The detention of children whose parents are detained should not be justified on the basis of maintaining the family unit, and alternatives to detention must be applied to the entire family instead.

We commit to ensure that any detention in the context of international migration follows due process, is non-arbitrary, based on law, necessity, proportionality, and individual assessments, is carried out by authorized officials, and for the shortest possible period of time, irrespective of whether detention occurs at the moment of entry, in transit, or proceedings of return, and regardless of the type of place where the detention occurs. We further commit to prioritize non-custodial alternatives to detention that are in line with international law, and to take a human rights-based approach to any detention of migrants, using detention as a measure of last resort only.

To realize this commitment, we will draw from the following actions:

(h) Protect and respect the rights and best interests of the child at all times, regardless of migration status, by ensuring availability and accessibility of a viable range of alternatives to detention in non-custodial contexts, favouring community-based care arrangements, that ensure access to education and health care, and respect the right to family life and family unity, and by working to end the practice of child detention in the context of international migration.

Detention in the course of proceedings for the control of immigration is not per se arbitrary, but the detention must be justified as reasonable, necessary and proportionate in the light of the circumstances and reassessed as it extends in time. Asylum seekers who unlawfully enter a State party’s territory may be detained for a brief initial period in order to document their entry, record their claims and determine their identity if it is in doubt. To detain them further while their claims are being resolved would be arbitrary in the absence of particular reasons specific to the individual, such as an individualized likelihood of absconding, a danger of crimes against others or a risk of acts against national security. The decision must consider relevant factors case by case and not be based on a mandatory rule for a broad category; must take into account less invasive means of achieving the same ends, such as reporting obligations, sureties or other conditions to prevent absconding; and must be subject to periodic re-evaluation and judicial review. Decisions regarding the detention of migrants must also take into account the effect of the detention on their physical or mental health. Any necessary detention should take place in appropriate, sanitary, non-punitive facilities and should not take place in prisons. The inability of a State party to carry out the expulsion of an individual because of statelessness or other obstacles does not justify indefinite detention. Children should not be deprived of liberty, except as a measure of last resort and for the shortest appropriate period of time, taking into account their best interests as a primary consideration with regard to the duration and conditions of detention, and also taking into account the extreme vulnerability and need for care of unaccompanied minors.

In particular, the best interests of the child should be ensured explicitly through individual procedures as an integral part of any administrative or judicial decision concerning the entry, residence or return of a child, placement or care of a child, or the detention or expulsion of a parent associated with his or her own migration status.

The Committees stress that States parties should:

(f) Conduct a best-interests assessment on a case-by-case basis in order to decide, if needed, and in accordance with the Guidelines for the Alternative Care of Children, the type of accommodation that would be most appropriate for an unaccompanied or separated child, or children with parents. In that process, community-based care solutions should be prioritized. Any measure that constrains children’s liberty in order to protect them, e.g. placement in secure accommodation, should be implemented within the child protection system with the same standards and safeguards; be strictly necessary, legitimate and proportionate to the aim of protecting the individual child from harming him or herself or others; be part of a holistic care plan; and be disconnected from migration-enforcement policies, practices and authorities.