Through the link , you can consult the self-training materials that are made available to the bidding companies, to facilitate the preparation of the envelopes and their presentation through the Digital Envelope tool, related to the Contractor Profile of the local procurement body and public universities that use the Public Procurement Services Platform. The section, also accessible from the tender to which you wish to apply, includes the following documentation:

  • Bid submission manual
  • Frequently asked questions
  • Video
  • Useful manuals on technical issues (technical requirements and help guides for signing PDFs and their validation
  • Test tenders
If you are unable to resolve issues with these support materials, please contact your contracting authority.