- 153 - Committee, fully aware that ratification obliged them to take immediate measures to promote the right to housing and, where necessary, to seek international cooperation, in accordance with articles 11, 22 and 23 of the Covenant. 11. The Committee’s recommendations in this respect have encouraged States parties, regardless of their economic situation, to establish a national housing strategy, formulated to the fullest extent possible after thorough consultations and with the participation of all concerned, notably the homeless, persons with inadequate housing and their representatives, and regularly to monitor the development of the housing situation. In both cases, this is an obligation with immediate effect, especially as regards the situation of vulnerable groups: persons or families who are homeless or living in inadequate housing or in "illegal" settlement areas, persons who have been forcibly evicted and low-income groups. 12. The measures that must be taken by States may combine measures originating from the public sector and from the private sector, but States must above all be encouraged to support self-sufficiency strategies, while fulfilling their own obligations to guarantee respect for the rights of each individual, as soon as possible and in the light of available resources. In many countries, experience has shown that organized vulnerable groups have been able, with minimum State assistance, to undertake construction better suited to their needs and less costly than construction directly undertaken by the public sector. 13. The question of the "enforceability" of the right to adequate housing is beyond doubt, and many elements constituting this right are already the subject of domestic remedies in most of the States parties to the Covenant: this is notably the case with judicial remedies against evictions or demolition; applications for compensation or rehousing following illegal eviction; complaints against illegal measures taken by owners, whether public or private, or with their support; judicial actions against discriminatory measures in the area of housing; complaints against owners concerning health hazards or the inadequacy of housing, or excessive rent; and judicial actions concerning land ownership. 14. This list is not exhaustive, and assertion of the right to housing in the courts, based on the implementation of domestic legislation or the Covenant, has assumed considerable importance in many countries. In the light of the substantial increase in the number of homeless persons, collective action is growing steadily, not only in the developing countries, where it often manifests itself through the occupation of undeveloped land, but also in the rich countries, where it takes the form of occupation of public or private premises which have been kept empty with the sole aim of speculating on the value of the buildings in question. 15. In this connection, the Committee considers that instances of forced eviction are, prima facie, incompatible with the requirements of the Covenant and can be justified only in the most exceptional situations and in accordance with the relevant principles of international law. 16. On the occasion of its examination of reports, the Committee has recommended to all States parties that they should avoid unjustified mass

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