Yep, it says it right there... 61 MOS = Part 61 Manual of Standards. Schedule 3 contains aeronautical knowledge standards:
http://www.casa.gov.au/wcmswr/_asset...dule-3-new.pdf
The bit you're after is on page 517:
4.1.1 Plan an IFR flight between aerodromes in Australia in accordance with the requirements specified in AIP and considering the following:
(a) route limitations;
(b) aircraft performance and forecast freezing level;
(c) table of cruising altitudes/levels.