New South Wales Consolidated ActsIf in
any case any matter or thing required to be done or performed under the
provisions of this Part within any given period is not so done or performed,
the proof that it was not practicable to do so shall lie upon the party
required to do or perform the same:
Provided that no excuse shall be allowed for any such failure or neglect
unless it is clearly shown that the matter or thing required to be done or
performed was done or performed as soon as was practicable.