28.—(1) Where a person who has been granted a credited period under regulation 8 enters or ceases to hold a new employment, before the expiry of the period of one month beginning with the date on which he does so he shall give his employing authority written notification of that fact.
(2) A person to whom compensation is payable in accordance with this Part shall–
(a)furnish all such information as the employing authority may at any time reasonably require; and
(b)verify that information in such manner, including by the production of documents in his possession or control, as may be reasonably so required.