Directive 2013/48/EU of the European Parliament and of the Council of 22 October 2013 on the right of access to a lawyer in criminal proceedings and in European arrest warrant proceedings, and on the right to have a third party informed upon deprivation of liberty and to communicate with third persons and with consular authorities while deprived of liberty (c. 48)

Article 6 The right to communicate, while deprived of liberty, with third persons

1. Member States shall ensure that suspects or accused persons who are deprived of liberty have the right to communicate without undue delay with at least one third person, such as a relative, nominated by them.

2. Member States may limit or defer the exercise of the right referred to in paragraph 1 in view of imperative requirements or proportionate operational requirements.