(1) A marriage by or before a Marriage Officer under this Act shall be solemnized at the official house of the Marriage Officer with open doors between the prescribed hours in the presence of at least three witnesses.
     (2) The marriage may be solemnized in any form which the parties may choose to adopt:
     Provided that it shall not be complete and binding on the parties unless each party declares to the other in the presence of the Marriage Officer and the three witnesses and in any language understood by the parties,-- "I, (A) take the (B), to be my lawful wife (or husband)":
     Provided further that where the declaration referred to in the preceding proviso is made in any language which is not understood by the Marriage Officer or by any of the witnesses, either of the parties shall interpret or cause to be interpreted the declaration in a language which the Marriage Officer, or, as the case may be, such witness understands.