There is a set fee for exams, competitions and performances which is determined by the difficulty of the work, logistics and circumstances of the performance. As per the Accompanist Guild of Queensland.
$50 - Exams & performances in Level 1 (up to grade 4)
$70 - Exams & performances in Level 2 (grades 5-8 certificate)
$80 - Exams & performances above level 2
If less than 48 hours notice – 50% of the total fee payable
If less than 24 hours notice – 75% of the total fee payable
If no notice given – 100% of the total fee payable