Updating of required pack documents
21.—(1) This regulation applies to any document included in a home information pack under regulation 8 (including that regulation as modified by regulation 10).
(2) Where the responsible person amends such a document or obtains or creates a further version of it, he must—
(a)include the amended document or the further version in the pack;
(b)amend accordingly such translations, additional versions, summaries or explanations as are included in the pack under regulation 9(e), 9(f) or 9(g) or include a further version of such translations, additional versions, summaries or explanations; and
(c)remove such documents as have been wholly superseded by a document included under sub-paragraphs (a) or (b).
(3) The time at which the responsible person amends a document or obtains or creates a further version of it under paragraph (2) becomes the first point of marketing for that document—
(a)for the purposes of any provision of these Regulations that requires the age or currency of a pack document to be determined by reference to a period preceding the first point of marketing; and
(b)until such time (if any) as a further first point of marketing arises under regulation 3(4), Part 4 or this Part.