(1)Investment plan regulations may specify the kind of investments which may be made under a plan or which may be made by particular descriptions of individuals under a plan.
(2)They may—
(a)provide for a plan in the form of an account, and
(b)authorise the ways in which the subscriptions to an account are to be invested.
(3)They may—
(a)provide that plans are to be such as are approved by the Board of Inland Revenue, and
(b)specify the circumstances in which approval may be granted and withdrawn.
(4)They may—
(a)provide for plans to be treated as being of different kinds, according to criteria set out in the regulations,
(b)provide for the Board to register a plan as being of a particular kind, and
(c)make different provision about different kinds of plan.