Minimum standards from a psychosocial perspective that contain a series of basic concepts, guiding principles for ethical and good practices, and and standards for: 1 - Denouncing the disappearance and/or application search; 2 - Search for missing migrants; 3 - Access to justice and truth; 4 - Localization-identification of missing migrants; 5 - Dignified notification; 6 - Repatriation of the human remains; 7 - Return of migrants; 8 - Right to a comprehensive reparation; and 9 - Differentiated approaches.