Converting a non-JAA type rating for use in JAA member countries
Well assuming you are talking about multi-pilot ratings, JAR–FCL 1.250 Type rating, multi-pilot – Conditions applies: you must have at least 70 hrs PIC in airplanes, a valid MEIR(A), certificate of completion of MCC and experience of at least 500 hours
as a pilot in multi-pilot operations. Good luck!