All teachers should have 10% of their weekly timetable allocated to PPA. This should be in blocks of no less than 30 minutes, during the timetabled school day. It should not be placed outside under any circumstances. For example, allocating PPA after the school day has finished is a clear breach of your terms and conditions.
Remember that how you use your PPA time is at your discretion. You cannot be directed to use PPA time for any particular purpose. It should be used exclusively for the planning, preparation and assessment that you, as a professional, deem necessary for your work.
Gained time does form part of directed time and the STPCD. The ‘rarely cover’ provision applies equally during gained time.