Section 11 — Matrimonial Causes Act 1973: Grounds on which a marriage is void.

Grounds on which a marriage is void.

11 A marriage celebrated after 31st July 1971 , other than a marriage to which section 12A applies, shall be void on the following grounds only, that is to say—

a that it is not a valid marriage under the provisions of the (that is to say where— Marriage Acts 1949 to 1986 i the parties are within the prohibited degrees of relationship;

ii either party is under the age of eighteen ; ... iia the marriage is solemnized in contravention of section 2A of the Marriage Act 1949; or iii the parties have intermarried in disregard of certain requirements as to the formation of marriage);

b that at the time of the marriage either party was already lawfully married or a civil partner ;

c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . d in the case of a polygamous marriage entered into outside England and Wales, that either party was at the time of the marriage domiciled in England and Wales. For the purposes of paragraph (d) of this subsection a marriage is not polygamous if at its inception neither party has any spouse additional to the other.