Article 17 International Covenant on Economic, Social and Cultural Rights
1. The States Parties to the present Covenant shall furnish their reports in stages, in accordance with a programme to be established by the Economic and Social Council within one year of the entry into force of the present Covenant after consultation with the States Parties and the specialized agencies concerned.
2. Reports may indicate factors and difficulties affecting the degree of fulfilment of obligations under the present Covenant.
3. Where relevant information has previously been furnished to the United Nations or to any specialized agency by any State Party to the present Covenant, it will not be necessary to reproduce that information, but a precise reference to the information so furnished will suffice.
See also: Article 16 ICESCR