A New Tax System (Goods and Services Tax) Act 1999

186-1 Approved forms  
(1)
A notice, application or other document is in the approved form if:

(a) it is in the form approved in writing by the Commissioner in relation to that kind of notice, application or other document; and

(b) it contains the information that the form requires, and such further information as the Commissioner requires; and

(c) it is lodged at the place and in the manner that the Commissioner requires.

(2)
The Commissioner may combine in the same approved form more than one notice, application or other document.