The authority may cancel accreditation of a guideline if—
(a) the authority—
(i) becomes aware of a matter relating to the guideline; and
(ii) considers it would have refused to grant or renew accreditation of the guideline if it had been aware of the matter before granting or renewing accreditation; or
(b) the authority considers accreditation of the guideline was granted or renewed because of a materially false or misleading representation or declaration.