Does a company that has already been qualified by ANP for a specific bidding round or agreement assignment need to be qualified again for future rounds or assignments?

Yes, the qualification applies to a specific bidding round or E&P agreement assignment process and cannot be used for other rounds or contract assignments.

Documents submitted for registration and qualification are processed in specific procedures, individualized for each bidder.
However, documents contained in this files, in accordance with the rules set out in the tender protocol, may be used for registration and qualification, upon request by the interested company.

Therefore, it is possible to use valid documents held on file by the conpany; however, this does not constitute prior qualification with ANP.