60.—(1) For the purposes of discharging its functions under these Regulations, an appropriate authority may, by notice served on a regulator, require the regulator to provide such information as is specified in the notice.
(2) For the purposes of discharging its functions under these Regulations, a regulator may, by notice served on any person, require that person to provide such information in such form and within such period as is specified in the notice.
(3) A notice under paragraph (2) may require a person to provide any information on emissions where that requirement is reasonable, including the provision of information—
(a)not in the person’s possession; and
(b)which would not usually come into the person’s possession.
(4) For the purposes of this regulation the discharge by the appropriate authority of—
(a)an obligation of the United Kingdom under the Community Treaties; or
(b)an international obligation of the United Kingdom,
must be treated as a function of the authority under these Regulations.
(5) For the purposes of this regulation the compilation of an inventory of emissions (whether or not from a regulated facility) must be treated as a function of the regulator under these Regulations.