Twelve hours in the 12 months prior to expiry, of which six must be P1, and one of which must be a dual flight with an instructor (CAA or mil?) which overall must total to 12 takeoffs and landings. Dual training flight must include all pre-flight and departure work, climb at best angle and rate, s+l, steep turns, all stall configs, incipient spin recovery, EFATO, PFL, sim precationary landing, fire in air and other simulated emergencies, arrival and landin including flapless landing and crosswind if possible. (Log as P/UT).
Alternatively you can do a proficiency check with an examiner within 3 months of expiry.