Appendix A - Amendment 004

Appendix A
Portal Instructions for Submission of MAPS Proposals
Amendment 04 – 13 October 2026
Registration Instructions:

***OFFERORS SHALL ONLY HAVE ONE (1) PERSON REGISTER FOR PORTAL ACCESS. IF

NEEDED OFFERORS CAN HAVE ONE (1) ALTERNATE PERSON REGISTER IN THE CASE

OF AN EMERGENCY.***

In order to submit a proposal for the MAPS acquisition all Offerors shall register through the following link to create their profiles. If Offerors are already registered on the CHESS website another registration is not necessary.
https://chess.army.mil/Account/Register
Once you are on the portal home page, in the top right corner there is an icon of a person. Select the person and you will see the option to REGISTER/CAC REGISTER. Click on the REGISTER/CAC REGISTER button.

Once you click register you will be brought to a new page, following the instructions on the page enter all required information.

Enter First Name, Last Name, Email Address, and create a Password Enter the Address and Phone Number of your Company
For Service or Agency select Not Applicable
Click SUBMIT to create your profile.
In order to access the portal submission page after registration Offerors shall use the same link as above: https://chess.army.mil/proposal/default/index?proposalid=4 ***Offerors must ensure their login information is updated PRIOR to the submission deadline.***
How to Submit Proposals:
Once you have created your profile, you will now have access to the submission page (please use the following link to access the submission page
https://chess.army.mil/proposal/default/index?proposalid=4). The first step is to confirm all the Contact Information is correct. The next step is to enter your Company Name, CAGE Code, UEI, Business Size, Alternate Submitter Email (if applicable), and the Domains in which you are proposing.

The final step is to upload your documents. Offerors shall submit a full package every time they submit a proposal. Only the last submitted package will be evaluated by the Government. Use the guides on the left side of the screen to show where you update each Attachment. All documents shall be submitted in accordance with the naming conventions listed in RFP Section L.1 Paragraph 2 in order to be accepted as a full and complete package. To upload documents, click on the right side of the appropriate box BROWSE button. This will open up the documents on your computer to allow you to choose the correct document to upload. Once you add all the documents to create your full package, click SUBMIT at the bottom right