Part 2: Carbon dioxide capture, storage etc and hydrogen production, transport and storage Chapter 1: Revenue Support Contracts Section 90: Electricity system operator and gas system planner licences: modifications
Subsections (1) and (2) provide the Secretary of State with a power to modify the electricity system operator licence and the gas system planner licence (as well as documents maintained in accordance with those licences or agreements that give effect to such documents) for the purpose of facilitating or ensuring the effective performance of functions of hydrogen production allocation bodies and other related functions under Chapter 1 of Part 2 of the Act.
	Subsections (4) and (5) specify that modifications under subsections (1) and (2) may only make provision in relation to times when the person holding the licence is a hydrogen production allocation body, including consequential or transitional provision in relation to times when it is no longer the case that the person holding the licence is a hydrogen production allocation body.
	Subsection (6) provides further clarity regarding the types of modifications that the Secretary of State can make using the powers under subsections (1) and (2).
	Subsection (7) sets out the consultation requirements in relation to this section. Before making a modification, the Secretary of State must consult the holder of any licence being modified, the GEMA, and such other persons as the Secretary of State considers it appropriate to consult. Subsection (8) enables the requirement in subsection (7) to be satisfied by consultation before, as well as after, the passing of this Act.