4.—(1) The form of notice of marriage to be given by each party to the marriage under section 27(1) of the Act(1) where—
(a)both parties are relevant nationals(2) and where—
(i)both parties are aged 18 or over, is form 1 if attested in England, or form 1(w) if attested in Wales; or
(ii)either party is, or both parties are, aged under 18, is form 2 if attested in England, or form 2(w) if attested in Wales.
(b)either party is not, or neither party is, a relevant national and where—
(i)both parties are aged 18 or over, is form 3 if attested in England, or form 3(w) if attested in Wales; or
(ii)either party is, or both parties are, aged under 18, is form 4 if attested in England, or form 4(w) if attested in Wales.
(2) The form of notice of marriage to be given by either party to the marriage under section 2(1) of the 1970 Act is form 5 if attested in England, or form 5(w) if attested in Wales.
Section 27(1) was amended by sections 161(1) and 169 of, paragraph 8 of Schedule 14 to, and paragraph 1 of Schedule 16 to, the Immigration and Asylum Act 1999 (c.33).
“Relevant national” is defined in section 78(1) of the Act (definition inserted by paragraph 17 of Schedule 4 to the Immigration Act 2014 (c. 22)), and means a British citizen, a national of an EEA state other than the United Kingdom, or a national of Switzerland.