Diamond DA 40 Flight Manual page 61

DA 40 AFM
A list of approved equipment can be found in Chapter 6.
For the upgrade of an airplane for Night VFR or IFR operation
it is not sufficient to install the required equipment. The retrofit
must be carried out in accordance with the requirements of
the manufacturer (see Service Bulletins) and the national
Airworthiness Authority. Any additional equipment (equipment
which is not listed in the Equipment List in Section 6.5) must
also be approved for the intended kind of operation by the
national Airworthiness Authority.
Doc. # 6.01.01-E
NOTE
NOTE
Rev. 8 01-Dec-2010
Operating
Limitations
EASA
Page 2 - 21
approved