3.—(1) A notice of appeal must be given—
(a)in relation to an appeal against a revocation notice, before the revocation notice takes effect;
(b)in relation to the withdrawal of a duly-made application under paragraph 4(2) of Part 1 of Schedule 5, not later than 15 working days after the date of the further notice served under that paragraph;
(c)in relation to an enforcement notice, a regulator-initiated variation, suspension notice, mining waste facility closure notice, landfill closure notice, flood risk activity emergency works notice, flood risk activity notice of intent or flood risk activity remediation notice, not later than 2 months after the date of the variation or notice;
(d)in relation to a prohibition notice, not later than 21 days after the date of the notice;
(e)in any other case, not later than 6 months after the date of the decision or deemed decision.
(2) The appropriate authority may in a particular case allow notice of appeal to be given after the periods mentioned in sub-paragraph (1)(b) to (e) have expired.