In section 38A(4)(i), "enforcement provision" means—
If regulations under section 38A provide for the imposition of monetary penalties, they must provide a right of appeal to a court or tribunal on grounds including both error of fact and error of law.
The provision that may be made by virtue of subsection (1)(c) includes provision for Part 2 of the Consumers, Estate Agents and Redress Act 2007 (complaints handling and redress schemes) to apply (with or without modifications) to end-user complaints as it applies to consumer complaints within the meaning of that Part.
In subsection (3), "end-user complaints" means complaints in connection with pass-through provision made by end-users against intermediaries or electricity suppliers (with the definitions in section 38B applying for the purposes of this subsection).