(1) The Commission shall, for the purposes referred to in section 101(1)(h) -
(a) in accordance with this Chapter, provide other supervisory authorities with mutual assistance, and
(b) put in place measures for effective cooperation with those authorities.
(2) The Commission, on receipt by it of a request of another supervisory authority ("requesting supervisory authority") shall -
(a) without undue delay and no later than one month after receiving the request, take all appropriate measures required to reply to the request, and
(b) inform the requesting supervisory authority of the results of, or progress made in response to, the request.
(3) The measures referred to in subsection (2)(a) include the exercise by the Commission of its powers under Chapters 3, 4 and 5 of Part 6.
(a) The Commission shall not refuse to comply with a request unless -
(i) it is not responsible under the Directive for the subject matter of the request or for the measures it is requested to carry out, or
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