3. At the end of regulation 3, there shall be inserted the following paragraph—
“(3) Where the Executive approves a revision referred to in paragraph (2), during the period between the publication by the Executive of a notice specifying that revision and the date on which that revision takes effect a person may comply with the requirements of these Regulations as if any reference to the Approved Document were a reference to—
(a)the Approved Document prior to that revision; or
(b)the Approved Document as revised.”.