Form 637 and Questionnaires

Name:		EIN:
Address:		637 Reg No.:
City, State, Zip:		OMB No.:	1545-1835

In addition to the Form 637 General Questionnaire, please answer the following questions specific to this activity. (Attach additional sheets, if needed.)

Activity Letter SA: Producer or Importer of sustainable aviation fuel (SAF).

These persons are required to be registered under IRC 4101(a)(1)

and Notice 2023-06.

“SA” QUESTIONNAIRE

1. Does your business qualify for the Form 637 “SA” Registration?

☐Yes ☐No

• If yes, please complete questions below and return this form.

• If no, please sign the statement below, date, and return this form.

I request that my Form 637 “SA” Registration be denied or revoked as I am no longer engaged in this activity.

____________________________________ __________________

Printed Name Title

____________________________________ __________________

Signature Date

Note: This request must be signed by a person with authority to bind the applicant or registrant. Refer to Form 637, Application for Registration (For Certain Excise Tax Activities), General Instructions, under the Signature section for additional guidance.

1. Is your business currently producing and/or importing a SAF synthetic blending component and/or producing a SAF co-processed qualified mixture?

☐Yes ☐No

If yes, when was the last time that your business produced or imported a SAF synthetic blending component or produced a SAF co-processed qualified mixture?

1. 
   
   

   
   
   

   
   
   

   
   
   

   Does your business plan to use your business’s registration to produce and/or import a SAF synthetic blending component and/or to produce a SAF co-processed qualified mixture?

☐Yes ☐No

If yes, give a brief description of your business’s plans for producing and/or importing a SAF synthetic blending component and/or to produce a SAF co-processed qualified mixture.

4. 
   
   

   
   
   

   
   
   

   
   
   

   Check the box(es) representing activities in which your business is engaged.

☐ Producer of a SAF synthetic blending component

☐ Importer of a SAF synthetic blending component

☐ Producer of a SAF co-processed qualified mixture

5. List the specific ASTM D7566 Annex under which the SAF synthetic blending component is produced (if applicable).

6. 
   
   

   
   
   

   
   
   

   Is the type of sustainable aviation fuel that you produce in conformance with either an ASTM D7566 Annex or ASTM D1655 Annex A1? ☐Yes ☐No

If yes, please provide a copy of a certificate of analysis, demonstrating the conformance.

7. List the type and annual volume of SAF synthetic blending component that is produced or imported or SAF co-processed qualified mixture that is produced.

8. List the name and address of all feedstock suppliers, include the type and annual volume of product purchased.

Feedstock	Name and Address of Supplier	Expected Annual Volume

9. List all locations of storage facilities where feedstock, SAF synthetic blending component, SAF co-processed qualified mixture, and/or products used in blending are stored. Include a description of the product.

Product Description	Name and Address of Facility	Fuel Tank Capacity (Gallons)	Expected Annual Volume

10. Has your business’s SAF synthetic blending component or SAF co-processed qualified mixture been certified by an unrelated party demonstrating compliance with any general requirements, supply chain traceability requirements, and information transmission requirements established under either the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) or a similar methodology that satisfies the criteria under section 211(o)(1)(H) of the Clean Air Act? ☐Yes ☐No

If yes, please provide a copy of the latest unrelated party certification.

11. Which unrelated party organization provided the certification (e.g., ISCC or RSB)?

12. What reduction percentage of lifecycle greenhouse gas emissions does your business’s SAF synthetic blending component or SAF co-processed qualified mixture have compared to 89 grams of carbon dioxide equivalent per megajoule of energy or 89g CO2e/MJ have?

13. What methodology was used to calculate the greenhouse gas emissions reduction percentage (e.g., the CORSIA default values, CORSIA actual calculated values, or some other method?

If yes, please list all blend percentages for each type of synthetic blending component (if more than one type).

14. Does the qualified mixture produced from a specific batch of synthetic blending component and ASTM D1655 compliant kerosene meet the requirements of ASTM D7566 Table 1? ☐Yes ☐No

If yes, please provide a copy of the certificates of analysis for representative batches demonstrating the conformance.

15. Do you produce a qualified mixture by co-processing an appropriate feedstock with a petroleum feedstock during the production of ASTM D1655 kerosene? ☐Yes ☐No

If yes, please list type of feedstock and percentages.

16. 
    
    

    
    
    

    
    
    

    Does the qualified mixture produced by coprocessing an appropriate feedstock with a petroleum feedstock meet the requirements of ASTM D1655 Table 1? ☐Yes ☐No

If yes, please provide a copy of certificates of analysis for representative batches demonstrating conformance.

17. Does your business sell a SAF synthetic blending component and/or a SAF co-processed qualified mixture? ☐Yes ☐No

If yes, list the customer and type of product being sold.

Customer Name	Product

18. Does your business sell a SAF qualified mixture or SAF co-processed qualified mixture? ☐Yes ☐No

If yes, list the customer and type of product/blend being sold.

Customer Name	Product/Blend

19. How do you determine that the fuel will be used in an aircraft?

20. Does your business use a SAF qualified mixture or SAF co-processed qualified mixture as a fuel? ☐Yes ☐No

If yes, how is it being used?

21. Will your company be claiming the sustainable aviation fuel credit?

☐Yes ☐No

If yes, please provide a detailed explanation on how you calculated the credit, including any applicable supplementary amount.

22. Please list all production agreements that your business already has or plans to implement within the year.

23. Does your business store any product to which it does not hold title?

☐Yes ☐No

If yes, where is this inventory stored, and for whom is it stored? Are separate inventory records maintained? Who is filing claims for the production or importation of the fuel?

24. Does your business sell or plan to sell any SAF qualified mixture or SAF co-processed qualified mixture to a related company? ☐Yes ☐No

If yes, describe the arrangements.

25. Does your business export or plan to export any SAF qualified mixture or SAF co-processed qualified mixture? ☐Yes ☐No

If yes, please explain.

26. List the name and phone number of a person whom we can contact about this application/registration.

Form 637 SA Questionnaire 3 Revised Feb 2023