The Treasury may by regulations require a regulator to exercise a power under this Act to make rules in relation to a specified activity or a specified description of person.
Regulations under this section may—
But except so far as permitted by subsection (2), regulations under this section may not require rules to be made—
If no period is specified under subsection (2)(b) the rules must be made as soon as reasonably practicable after the coming into force of the regulations.