23.—(1) This regulation applies where the Scottish Ministers or the planning authority, are dealing with—
(a)an EIA application;
(b)an application for multi-stage consent in respect of EIA development; or
(c)an appeal in relation to an EIA application or an application for multi-stage consent in respect of EIA development.
(2) Where in the opinion of the Scottish Ministers or the planning authority—
(a)the applicant or appellant could (having regard in particular to current knowledge and methods of assessment) provide further information about any matter mentioned in Schedule 4; and
(b)that further information is reasonably required to give proper consideration to the likely significant effects of the proposed development on the environment,
they must notify the applicant or appellant in writing and the applicant or appellant must provide that information.
(3) The Scottish Ministers or the planning authority may in writing require the applicant or appellant to provide such other information as may be specified to enable the application or appeal to be determined, or concerning any matter which is required to be dealt with in the environmental statement submitted in relation to the application or appeal.
(4) The Scottish Ministers or the planning authority may in writing require to be produced to them such evidence, in respect of any environmental statement or additional information which it falls to them to take into consideration, as they may reasonably call for to verify any information it contains.
24.—(1) Where additional information is submitted to the Scottish Ministers or the planning authority, regulations 17 to 19, 21 and 22 apply to the submission of such additional information as they apply to the submission of an environmental statement (subject to any necessary modifications).
(2) Paragraph (1) does not apply in relation to additional information to the extent that—
(a)the information is provided for the purposes of an inquiry held under the Act;
(b)the written requirement for the information states that it is to be provided for such purposes; and
(c)the information is required to be publicised as part of that inquiry.