From LASORS:
MULTI-PILOT AEROPLANE TYPE RATING
Pre-requisite conditions for training
An applicant for the first type rating for a MPA shall
provide evidence that the following requirements
have been met:-
a) have completed at least 100 hours as
pilot-in-command of aeroplanes;
b) have a valid multi-engine Instrument Rating
(Aeroplanes) within the last 5 years from the
date of expiry of the rating. This is only a
requirement for an initial MPA type rating and
not subsequent type ratings;
c) hold a certificate of satisfactory completion of
a multi-crew co-operation (MCC) course (this
requirement is not applicable to those who
have attended a TRTO course which includes
MCC). For full details on the MCC Course and
MCC credits can be found at Section F10.
d) have passed the professional flight crew
examinations at ATPL level.