18.—(1) Subject to paragraph (2), the applicant on providing services in the United Kingdom must—
(a)use the professional title applicable to that profession in the home State, if that title exists within that State for the professional activity,
(b)indicate that title in the official language or one of the official languages of the home State in such a way as to avoid confusion with the professional title of the profession in the United Kingdom; and
(c)where no professional title exists in the home State, indicate the applicant's formal qualification in the official language or one of the official languages of that home State.
(2) On verification of qualifications where regulation 19 applies, or where both regulations 19 and 20 apply, the applicant on providing services must use the professional title applicable to that profession in the United Kingdom.
(3) Paragraph (2) does not apply in cases where partial access has been granted and the professional activity must be exercised under the professional title of the home State.
(4) The competent authority may require use of the professional title referred to in paragraph (3) in English.