CoSAFA welcomes feedback on all aspects of its methodology for sustainable aviation fuel environmental attribute transactions. The questions below are intended for targeted feedback in key areas of development and will remain anonymous but will be used to facilitate the discussion during the public feedback session. Responses on topics not addressed by the questions are also welcome.

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* 1. Definitions:
Are there any definitions that should be considered for edits? If so, which definitions and what is the suggested edit?

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* 2. Definitions:
What additional definitions should be included?

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* 3. Section 2 Section 2.2:
Methodology Limitations and Future Refinements
Regulatory Additions:

What regulatory programs should be included next?

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* 4. Section 2 Section 2.2:
Methodology Limitations and Future Refinements
Regulatory Additions:

Are there regulatory considerations not already covered or considered within this methodology?

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* 5. Section 2 Section 2.2:
Methodology Limitations and Future Refinements

Master Registry: Is there a need for a master registry that collects all SAF claims, or should there be interoperability between registries or both?

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* 6. Section 2.3 Methodology Overview

Quantity of fuel: The CoSAFA methodology currently uses kg CO2e as the SAF base unit; do you agree this is a valid base unit for a quantity of fuel? If not, what would be an alternate suggestion?

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* 7. Section 3: Standardized Tracking for Neat SAF
section 3.1 Main ID:

Does the Unique ID accomplish the following requirements?

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* 8. Section 3: Standardized Tracking for Neat SAF
section 3.1 Main Identifier:

What are suggested edits for the unique identifier

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* 9. Section 3: Standardized Tracking for Neat SAF
Section 3.1:

Sub-Identifier 1: What are suggested edits, if any?

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* 10. Section 3: Standardized Tracking for Neat SAF
Section 3.1:

Sub-Identifier 2: Should this be included as a sub-identifier? What are suggested edits, if any?

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* 11. Section 3.2
Product Transfer document

Does the PTD provide all the information needed to document a SAF claim? 

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* 12. Section 3.2
Product Transfer document

If the PTD does not contain all necessary information, what else should be include? Others suggested edits, if any?

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* 13. Section 3.3: Tracking and linking environmental attributes with SAF quantities.

Is it necessary to link substantiating documents?

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* 14. Section 3.3: Tracking and linking environmental attributes with SAF quantities.

What are suggested edits, if any?

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* 15. Section 5 Methodology Principles
SAF Credits / SAF Vintages:

SAF credits expire after a 7-year period; should CoSAFA set an expiration timeframe for SAF quantities? If so, what should that timeframe be?

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* 16. Section 6 SAF Claims Accounting
Emissions reductions without an associated scope 1 reduction:

Should a scope 3 claim be eligible if no entity has claimed the scope 1 reduction? (The scope 3 claim must demonstrate that the SAF was used)

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* 17. Section 6 SAF Claims Accounting:
Split selling scope 1 and scope 3 reductions:

Should entities within the SAF chain of custody be eligible to sell the scope 3 claim separately prior to selling the operator the environmental attributes for scope 1 claim?

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* 18. General feedback

Open comments for additional feedback on any section

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