905 fails to acknowledge that there are two CRI qualifications SE and ME as detailed in 915:
FCL.915.CRI CRI — Prerequisites
An applicant for a CRI certificate shall have completed at least:
(a) for multi-engine aeroplanes:
(1) 500 hours flight time as a pilot on aeroplanes;
(2) 30 hours as PIC on the applicable class or type of aeroplane;
b) for single-engine aeroplanes:
(1) 300 hours flight time as a pilot on aeroplanes;
(2) 30 hours as PIC on the applicable class or type of aeroplane.
and further in 930:
FCL.930.CRI CRI — Training course
(a) The training course for the CRI shall include, at least:
(3) 5 hours of flight instruction on multi-engine aeroplanes, or 3 hours of flight instruction on single-engine aeroplanes, given by an FI(A) qualified in accordance with FCL.905.FI(i).