Search for the exam you want to register for, as described here: How do I enrol for a test?

Tick the test you want to register for, and make sure to select the correct period and opportunity. Once you've made your selection, click the arrow in the bottom right corner of the screen to continue.
Before confirming your enrolment, you can choose which facility you would like to use.

Select the provision(s) you want to use from the list. Then click the arrow in the bottom right corner of the screen to continue.
A facility that is granted by default is automatically selected.

Review your enrolment and click 'Confirm enrolment' to complete your exam enrolment.

Go to Osiris Student and navigate to 'Enrol'.

Select 'My enrolments'.

Under the 'Tests' section, you will find all the exams you are registered for.

Select the test for which you want to add a facility.

Click the 'Edit' button to choose which facility you want to use for the test.

In the list, you can select which facilities you want to enable or disable.
Default facilities are automatically selected.
Select the facility you want to add and then click OK.
Your facilities have now been updated.