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. Possible changes in methodology are announced at least one month ahead of time in these special publications. When there are changes in methodology, new documents are produced and disseminated.
Information is available for the national index as well as for each regional index.
Comments on the results are based on information on the current economic environment. The monthly weights are also disseminated. The survey encompasses 512 subitems. In the bulletins the monthly changes are available by item.