52.—(1) The regulator must give notice of its determination, the reasons for it and the details of the appeals procedure to the information subject within—
(a)a period of 20 working days beginning with the date its duty under regulation 50 arises; or
(b)such longer period as it agrees with the information subject.
(2) If the regulator fails to give notice under paragraph (1) within the period required by that paragraph, the information subject may give notice to the regulator of that failure, and on such notice—
(a)the regulator is deemed to have determined that the information must be included on the register; and
(b)the deemed determination is subject to the right of appeal in regulation 53(1).
(3) If the regulator determines that the information must be included on the public register, it must not include the information before the expiry of the period of 15 working days after—
(a)it has given notice of the determination; or
(b)a notice under paragraph (2) resulting in a deemed determination is given,
but must include it after the expiry of that period if notice of appeal has not been given.