Subsection (1) provides that the Treasury may make an order modifying any enactment as they consider necessary or expedient to take account of the fact that the Scottish Parliament has, is to have, or has exercised its tax-varying power. “Enactment” is defined in section 126(1).
Subsection (2) provides that a Treasury order may exclude the effect of the tax-varying power in relation to certain enactments.
Subsection (3) provides power by order to postpone temporarily the effect of a resolution in relation to the operation of PAYE.
Subsection (4) provides that orders under this section may have limited retrospective effect.
Subsection (5) sets out definitions.
Commentary Part IV: the Tax Varying Power Details of Provisions