21.—(1) This regulation applies to transportable pressure equipment within the scope of the Transportable Pressure Equipment Directive by virtue of article 1(2)(b) of that Directive.
(2) Equipment may be reassessed for conformity in accordance with this regulation.
(3) The equipment is to be—
(a)reassessed by a notified body in accordance with the procedure set out in Part II of Annex IV to the Transportable Pressure Equipment Directive; and
(b)marked in accordance with the requirements of article 10 of that Directive that are applicable to the reassessment of conformity.
(4) But if the equipment has been manufactured in series to a design type which has been reassessed by a notified body in accordance with paragraph (3)(a), the procedure set out in Part II of Annex IV may be undertaken by an approved body and references in that Part to “notified body” are to treated as references to “approved body”.