18.—(1) An enforcing authority may (subject to paragraph (5)) start proceedings in the County Court or the High Court to secure a remedy against a person if any of conditions A to C are met.
(2) Condition A is that the enforcing authority is of the opinion that the person has failed or is failing to comply with a relevant provision or provisions.
(3) Condition B is that the enforcing authority is of the opinion that the person is likely to fail to comply with a relevant provision or provisions.
(4) Condition C is that the enforcing authority is of the opinion that the person has failed to comply with all or part of an enforcement notice.
(5) Before starting proceedings under this regulation the enforcing authority must be of the opinion that any other remedy under these Regulations would be ineffectual.