Definitions.

; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; courier new tur ; arial (vietnamese) ; courier new (arabic) ; times new roman ce ; tahoma (vietnamese) ; arial (hebrew) ; times new roman cyr ; courier new greek ; symbol ; tahoma (hebrew) ; arial ; arial baltic ; arial tur ; times new roman (arabic) ; courier new ; imperial bt ; tahoma ce ; wingdings ; tahoma cyr ; times new roman tur ; courier new ce ; tahoma ; courier new (hebrew) ; arial (arabic) ; courier new baltic ; courier new cyr ; times new roman ; tahoma baltic ; tahoma (arabic) ; arial ce ; courier new (vietnamese) ; tahoma (thai) ; times new roman greek ; tahoma greek ; tahoma tur ; times new roman (hebrew) ; times new roman baltic ; times new roman (vietnamese) ; arial greek ; arial cyr ; \* .;
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 ?; ; ; Normal ; heading 1 ; heading 2 ; heading 3 ; heading 4 ; heading 5 ; heading 6 ; heading 7 ; heading 8 ; heading 9 ; Balloon Text ; Block Text ; Body Text ; Body Text 2 ; Body Text 3 ; Body Text First Indent ; Body Text First Indent 2 ; Body Text Indent 2 ; Body Text Indent 3 ; caption ; Closing ; annotation text ; annotation subject ; Date ; Document Map ; E-mail Signature ; endnote text ; envelope address ; envelope return ; footer ; footnote text ; header ; HTML Address ; HTML Preformatted ; index 1 ; index 2 ; index 3 ; index 4 ; index 5 ; index 6 ; index 7 ; index 8 ; index 9 ; index heading ; List ; List 2 ; List 3 ; List 4 ; List 5 ; List Bullet ; List Bullet 2 ; List Bullet 3 ; List Bullet 4 ; List Bullet 5 ; List Continue ; List Continue 2 ; List Continue 3 ; List Continue 4 ; List Continue 5 ; List Number ; List Number 2 ; List Number 3 ; List Number 4 ; List Number 5 ; macro ; Message Header ; Normal (Web) ; Normal Indent ; Note Heading ; Plain Text ; Salutation ; Signature ; Subtitle ; table of authorities ; table of figures ; Title ; toa heading ; toc 1 ; toc 2 ; toc 3 ; toc 4 ; toc 5 ; toc 6 ; toc 7 ; toc 8 ; toc 9 ; \~\~ \~\~ \~\~ \~\~ \~\~ 15.531 \~\~ Definitions. \~\~ As used in this part , unless the context otherwise requires: \~\~ 1. \~\~ “Aviation gasoline” means the same as defined in section 452A.2 . \~\~ 2. \~\~ “Eligible taxpayer” means a business engaged in manufacturing sustainable aviation fuel from feedstock. \~\~ 3. \~\~ “Feedstock” means any organic matter processed or refined in the state suitable for sustainable aviation fuel production without further enhancement. “Feedstock” includes ethanol, corn oil, soybean oil, animal fats, used cooking oil, and algae. \~\~ 4. \~\~ “Jet fuel” means blends of hydrocarbons derived from crude petroleum, natural gasoline, and synthetic hydrocarbons, intended for use in aviation turbine engines, and that meet the specifications in ASTM (American society for testing and materials) specification D1655-12. \~\~ 5. \~\~ “Sustainable aviation fuel” means the portion of a liquid fuel meeting the requirements of ASTM D7566 or the Fischer Tropsch provisions of ASTM D1655, Annex A1, derived from feedstock not including palm fatty acid distillates and that achieves at least a fifty percent life cycle greenhouse gas emissions reduction as determined by any of the following: \~\~ a. \~\~ The fuel production pathway achieves at least a fifty percent life cycle greenhouse gas emission reduction in comparison with petroleum-based aviation gasoline, aviation turbine fuel, and jet fuel utilizing the most recent version of the GREET (Argonne national laboratory’s greenhouse gases, regulated emissions, and energy use in technologies) model that accounts for reduced emissions throughout the fuel production process. \~\~ b. \~\~ The fuel production pathway achieves at least a fifty percent reduction in comparison with petroleum-based aviation gasoline, aviation turbine fuel, and jet fuel utilizing the most recent version of the default life cycle emission value or actual core life cycle emissions value under the most recent carbon offsetting and reduction scheme for international aviation methodology for sustainable aviation fuels adopted by the international civil aviation organization. 2025 Acts, ch 136, §120, 129, 130 Referred to in §15.535 For future repeal of this section effective January 1, 2037, see §15.535 Sustainable aviation fuel tax credits issued pursuant to the sustainable aviation tax credit program shall not be issued by the economic development authority prior to July 1, 2026, and shall not be claimed by a taxpayer prior to September 1, 2026; 2025 Acts, ch 136, §127 Section applies retroactively to January 1, 2025, for tax years beginning on or after that date; 2025 Acts, ch 136, §130 NEW section