63.—(1) The Scottish Ministers may by written notice require SEPA to provide such information about the discharge of a function of SEPA under these Regulations or the Landfill Regulations as is specified in the notice.
(2) The Scottish Ministers or SEPA may by written notice, for the purposes of the discharge of their functions under these Regulations or the Landfill Regulations, require any person to provide such information as is specified in the notice, in such form and within such period as is specified in the notice.
(3) For the purposes of this regulation the—
(a)discharge by the Scottish Ministers of an obligation of the United Kingdom under the Union Treaties or any international agreement relating to the environment is treated as a function of theirs under these Regulations, and
(b)compilation of an inventory of emissions (whether or not from installations or mobile plant) is treated as a function of SEPA under these Regulations.
(4) The information which a person may be required to furnish under paragraph (2) does include information on emissions which, although it is not in the possession of that person or would not otherwise come into the possession of that person, is information which it is reasonable to require that person to compile for the purpose of complying with the notice.