Where applicable, this information should be presented in relation to policy and legislation applicable to persons without disabilities. In all cases, it should indicate data sources. The report should provide detailed information on substantive measures taken and progress achieved and an article by article analysis of the UNCRPD in accordance with the reporting guidelines. In October 2009, the CRPD Committee adopted treaty-specific guidelines for reporting.97 DPOs must be consulted on the report, but should not write it.