Through the link , bidding companies can consult the self-training materials that are made available for the preparation of envelopes and their presentation through the Digital Envelope 2.0 tool, with guarantees of confidentiality of their content until the moment of opening. In this section, also linked from the Bidder Profile, they will find the following content:

  • Bid submission manual.
  • Frequently asked questions.
  • Video.
  • Useful manuals on technical issues (technical requirements and help guides for signing PDFs and their validation.
  • Test bids.
Those issues that companies cannot resolve through the published support materials must be forwarded to us by the contracting body.