(1) Forms 1 to 7 and form 9 in Schedule 1 to these Regulations shall be completed in English and shall also be completed in Welsh if–
(a) in the case of–
(i) forms 1 to 4, 6 and 7, the party giving notice of the marriage,
and
(ii) form 5, the person making the declaration so elects and provides the required particulars in both languages and the officer by whom the notice, or as the case may be the declaration, is attested can understand and write Welsh;
(b) in the case of form 9, the parties to the marriage so elect and provide the required particulars in both languages and the person who registers the marriage can understand and write Welsh.
(2) Where a form of words set out in column 1 of Schedule 2 to these Regulations is used in completing a form in English the form of words set out opposite thereto in column 2 shall be used where the form is also completed in Welsh.