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eOffer/eMod is a tool to submit Contract Offers and Contract Modification requests to GSA Federal Acquisition Service online.

Free Certificates

If you agree to the following conditions you may be issued a complimentary cert:

  • You are currently registered at the Central Contractor Register and have a valid DUNS. Note: Each organization may receive two per DUNS.
  • You will utilize the complimentary Electronic Authentication Certificate(s) issued to you for submitting electronic Contract Proposal(s) or Contract Modification(s) via eOffer/eMod. We recommend you have two registered negotiators per submission in case one is unavailable.
  • You may procure additional certs from an approved source as found on this website.

If you agree to all three of these conditions please click here and you will be able to process your request for one complementary cert. You must complete this process for each complimentary cert issued to your organization.

Note:The GSA Federal Acquisition Service will be issued a monthly report by the cert vendor, so please do not abuse the privilege.