(1) An enforcement notice (except a stop work notice) must be in an approved written form.
(2) A stop work notice may be given orally but, in that event, the notice must be reduced to an approved written form as soon as practicable.
(3) An enforcement notice must, wherever practicable, be given personally to the person to whom the notice is addressed.
(4) If it is not practicable to give the notice personally, it may be given by fax, email or in any other appropriate way.
(5) If an enforcement notice is addressed to a person other than the employer, a copy of the notice must be given, as soon as practicable, to the employer, and for the purposes of review of, and appeal against the notice, both the person against whom the notice is issued and the employer will be regarded as respondents to the notice.
(6) An enforcement notice (or a copy of an enforcement notice) may be given to an employer by giving it to the person apparently in charge of work at the workplace to which the notice relates.