A seasonally adjusted index is also published monthly. The index compilation process and its methodology is being constantly improved, therefore the is no index re-based on a regular basis. Periodicity Monthly Timeliness Nine to 15 days after the end of the reference month. A regular notice on the Advance Release Calendar is also published in the Monthly Bulletin of the Central Bank of Brazil. Simultaneous release to all interested parties Results are made public at press conferences.
Information is released to journalists by press release at the time of the press conference.
The press release is distributed to the press and is based on an explanatory report written by the technical staff. A special service for journalists to provide information and answer questions relating to the indices released is provided on that day and at the time indicated by the General Communications Office of the IBGE by technical staff working in the price index area. The IBGE has the mandate to disseminate to the public the list of officials that have access to the data before release. Identification of ministerial commentary on the occasion of statistical releases Comments explaining the results are prepared by price index technical staff. Provision of information about revision and advance notice of major changes in methodology Results are final when released.