The exemptions are in the Official Record Series 4 (ORS 4) so I thought I'd look it up on the CAA Website.
So it's current but you can neither download nor buy a copyORS4: NOTE: Currently only Official Record Series 4 documents published since 1st January 2003 are available here. There are ORS 4 documents published prior to this date which are still current.
Please find below details of the CAA Publication you have selected. Dependent on availability, you are able to download the file, or purchase a printed copy.
Reference: ORS4
Title: NOTE: Currently only Official Record Series 4 documents published since 1st January 2003 are available here. There are ORS 4 documents published prior to this date which are still current.
Description: -
Status: Current
Review Comment: None
Version: 1
Date: No date available
View File: Not available for download
Purchase Copy: Printed copy not available for purchase
The current list is actually here.
And the current exemption is here.