Try Regulation 1178-2011 Privileges of the FI Certificate:
FCL.905.FI FI — Privileges and conditions
The privileges of an FI are to conduct flight instruction for the issue, revalidation or renewal of:
(a) a PPL, SPL, BPL and LAPL in the appropriate aircraft category;
Was this not covered on your FI Course?
In the UK, the LAPL has been around for 2 years now, however; most are conversions from other licences.