4.—(1) Subject to regulations 9 and 10, the trustees or managers of a relevant scheme must not impose or permit to be imposed on a member of that scheme to whom this Part applies charges which—
(a)exceed the limits specified in this Part; or
(b)are of a description prohibited by this Part.
(2) With the exception of regulation 11, this Part applies—
(a)to a member of a relevant scheme to the extent of the value of that member's rights under a default arrangement; and
(b)beginning with the date on which the first contribution to the default arrangement referred to in sub-paragraph (a) is received by the trustees or managers on or after the date on which this regulation comes into force.