Explanatory Memorandum (EM) explain the contents and purpose of a bill in plain English. Explanatory Memoranda contain a clause by clause description of a bill. Explanatory Memorandums came into regular use from about 1978/1982 and are kept with bills.
If you can't find the EM electronically, but you think there was one, you will need to look for the hardcopy EM which will be located with its corresponding hardcopy bill.
It is important to note not all states and territories in Australia labels these explanations as Explanatory Memorandums.
In some jurisdictions Explanatory Memorandums are known as: