Required work experience between 2 and 5 years minimum, must be gained within the last 10 years.
At least one year of this experience must be recent, and gained on an airplane of the licence you are asking for.
Recent experience means :at least 6 month of the last 12 month. The rest may be gained within the last 7 years. 

Military, police etc.: 1 year experience in a civil maintenance environment appropriate to the category applied for.