CERD General Recommendation XXVII, on Roma, Paragraphs 30-32
30. To develop and implement policies and projects aimed at avoiding segregation of Roma communities in housing; to involve Roma communities and associations as partners together with other persons in housing project construction, rehabilitation and maintenance.
31. To act firmly against any discriminatory practices affecting Roma mainly by local authorities and by private owners, with regard to taking residence and access to hosing, to act firmly against local measures of denying residence to, and unlawful expulsion of Roma, and to refrain from placing Roma in camps outside populated areas, isolated and without access to health care and other facilities.
32. To take the necessary measures, as appropriate, for offering Roma nomadic groups or Travellers places for encampment for their caravans, with all possible facilities.