# Sustainable Aviation Fuel Act 2026, Section 17: Interpretation

Extent: E+W+S+N.I.

In this Act—
“aviation fuel” means fuel for—
(a) use in aircraft, or
(b) use in testing engines for use in aircraft;
“company” means a company registered under the Companies Act 2006;
“the designated counterparty” has the meaning given by section 4(2);
“the levy” means a levy imposed by regulations under section 6(1);
“levy regulations” has the meaning given by section 6(1);
“liability” includes contingent liability;
“Minister of the Crown” has the same meaning as in the Ministers of the Crown Act 1975 (see section 8(1) of that Act);
“renewable transport fuel” means anything that is (or is treated as) renewable transport fuel for the purposes of Chapter 5 of Part 2 of the Energy Act 2004 (see sections 131D(2) and 132(1) of that Act);
“revenue certainty contract” has the meaning given by section 1(2);
“sustainable aviation fuel” means aviation fuel that is renewable transport fuel.

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Source: https://www.legislation.gov.uk/ukpga/2026/9/section/17 (the official version)
Page: https://openlegislation.uk/sustainable-aviation-fuel-act-2026/section-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.