Expired SEPL
You must first pass a simple SEPL 'Renewal' test known also as a Licence Proficiency Check (LPC) with a JAA Examiner who will endorse the revalidation page within your licence.
Complete Form SRG 1119 which records the renewal.
Ensure that your JAA Medical is valid
Re-apply for the licence renewal using form SRG 1102. following the instructions attached to the form. don't forget to send the dosh with this application.