Writ of mandamus filed by an arbitration center against a determination by the National Treasury requiring the disclosure of information about arbitration proceedings conducted before that institution. The tax authority's claim to obtain information is not contemplated in the list set forth in Article 197, VII, of the Brazilian Tax Code. Decree No. 3.000/1999 is inapplicable to extend such obligation to arbitration centers, which are not required to provide any information or deliver documents pertaining to third parties involved in arbitration proceedings: