11.—(1) The competent authority may revoke an authorisation by serving an operator with a written notice where it considers that an aquaculture production business, processing establishment, non-commercial installation or put and take fishery authorised under this Part has not complied with, is not complying with, or is not likely to comply with, a condition of its authorisation or a requirement in these Regulations.
(2) The notice must—
(a)give the date on which the revocation is to take effect;
(b)give the reason for the revocation; and
(c)inform the operator of the right of appeal under regulation 37.