a📀 it says this on the ACER website
Unable to attend due to illness or misadventure
If your child is unwell on Saturday 14 June 2025 they should not attend the examination.
You can apply for your child to sit the examination on a designated alternative date by:
completing the Illness/Misadventure Form
photographing or scanning the required supporting evidence
uploading the form and supporting evidence to the application portal by Tuesday 17 June 2025. Requests made after this date will not be considered.
If the application is approved, your child will be eligible to re-sit the examination on a designated alternative date.