Regulation 64

any placard, listing or instrument marking containing prescribed operating limitations is displayed —

in a conspicuous place in the aircraft; and

in such a manner as to minimise the risk of erasure, disfigurement, obscuring or removal;

each unit of measure used on a placard, listing or instrument marking is the same as that on any related instrument or in the related flight manual;

each fuel contents gauge is clearly marked to indicate the units to which the gauge is calibrated;

a placard or marking is displayed in the immediate vicinity of each fuel and oil filler with the specification or grade, or both, of fuel or oil, as appropriate; and

any placard or marking required under any certificate issued in respect of the aircraft is present at the designated location and remains legible.