Jimmy is correct if it is an exclusive use bylaw.
However if it is just a bylaw approving certain modifications and embodying the usual clauses about who maintains the modifications, then the by law is valid as it stands.
In a case where a bylaw is registered that is not lawful, or the wrong bylaw is registered, its a bit of a trial to get it reversed.
One method is to hold a GM and revoke the wrong bylaw, and this requires the usual special resolution. You may not get 75% of votes. This method is required as LTI require that a GM has passed the bylaw or its modification.
Second method is to go to NCAT and prove that the bylaw is unlawful/not voted correctly etc and have NCAT issue a directive to change the bylaw, which you then take to LPI.