This Protocol secures certain rights and fundamental freedoms not included in previous texts (ETS Nos. 005 and 009): no deprivation of liberty for non-fulfilment of contractual obligations, right to liberty of movement and freedom to choose one's residence, prohibition of a State's expulsion of a national, probihition of collective expulsion of aliens.
The Protocol has been amended according to the provisions of Protocol No. 11 to the Convention (ETS no. 155) as from its entry into force, on 1 November 1998.