The intention here.... It's a convoluted way to try to create space for the minimum age for marriage to be consulted upon before being nailed down in this law. The further amendment extends the period of time for coming into force. The three work together as a package. One by itself wouldn't make sense.
(Amendment negatived [See Minutes of Proceedings])
(Clauses 4 to 6 inclusive agreed to)
(On clause 7)