Reliability of seat anchorages, stability test. If you have rebuilt a vehicle of category M or N, according to UNECE regulations to receive CSDD type-approval the following tests must be performed upon modification of a vehicle:
Reliability of vehicle seat anchorages (UNECE Regulation No 80 Uniform provisions concerning the approval of seats of large passenger vehicles and of these vehicles with regard to the strength of the seats and their anchorages).
Stability test
Vehicle stability (UNECE Regulation No 107 — Uniform provisions concerning the approval of category M2 or M3 vehicles with regard to their general construction).