Office of Transportation and Air Quality

EPA-420-B-12-023a

August 2012

To Add DC FUELS Program

1. Login to CDX and click on Edit Current Account Profiles.

2. Select “Office of Transportation and Air Quality DC FUEL Program (OTAQDCFUEL)” and click the ADD 

button.
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3. On the Add Role page, accept the default settings and click ADD.
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To Sign an Electronic Signature Agreement (ESA)* 

*Note: The absence of a signed ESA does not prevent you from continuing your new registration or 

updating your registration information. Do not wait for the ESA to be approved before 

completing your registration, associating companies, etc.

1. Login to CDX and click on the OTAQ Registration application link

2. If your ESA has not been sent in and/or processed by EPA, this page will be displayed. Click the Sign 

Paper Form button.
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3. Click Sign Paper Form at the bottom of the page.
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4. Click Print and Close. 

5. Sign the paper form and send in with the RCO delegation letter (see below).
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To Associate with a Company and Generate RCO Delegation Letter

1. Click the “Associate to Company” link in the left side toolbar of your OTAQ Registration 

Home. 

2. Enter your company specific search criteria into the textboxes and click the “Search” button. 
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3. A list of all companies matching your search criteria will be displayed. Select the checkbox next 

to the company with which you wish to associate, and then click the “Add Selected” button. 

4. You must select at least one role per company prior to submitting your user association request. 

Click the “Select Roles” link to display available roles for the company. 
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5. Choose the appropriate OTAQ Registration and OTAQ Program Roles by selecting the 

corresponding radio button and checkboxes. Click the “Select” button once you have made your 

selections.

6. Your selected roles will now display beside the selected company. Click the “Review” button to 

continue.
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7. The Associate to Company Review page displays a read-only version of your company 

association details. If the company and role information are correct, click the “Continue” button.

8. All Company Association requests require a signed RCO Delegation Letter by your Company 

Responsible Corporate Officer. The RCO Delegation Letter is included in the hard copy of your 

company association registration forms. Click the “Print, Sign and Mail” button to continue.

9. Print all pages, including Page 1. 

10. Check ALL appropriate boxes. 
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11. Obtain the RCO’s signature on the letter. 

12. Send signed letter and signed ESA to one of the addresses below.

US Mail: 

U.S. Environmental Protection Agency 

Fuels Programs Registration (6406J) 

1200 Pennsylvania Avenue, NW 

Washington, DC 20460 

Commercial Delivery: 

U.S. Environmental Protection Agency 

Fuels Programs Registration 

Room 647C, 202-343-9038 

1310 L Street, NW 

Washington, DC 20005 

For more detailed information and troubleshooting tips, please see the Fuels Programs Registration 

User’s Guide located on the EPA’s Fuels Reporting Registration web page: 

http://www.epa.gov/otaq/fuels/reporting/programsregistration.htm.