Stressing the obligation of States to protect the human rights of migrants regardless of their migration status, including when implementing their specific migration and border security policies, and expressing its concern at measures which, including in the context of policies aimed at reducing irregular migration, treat irregular migration as a criminal rather than an administrative offence, where the effect of doing so is to deny migrants the full enjoyment of their human rights and fundamental freedoms, and in this regard recalling that sanctions and the treatment given to irregular migrants should be commensurate with their offences,