6.15.9.3. The technical service shall, to the satisfaction of the Type Approval Authority, perform a visual test to verify that there is no direct visibility of the apparent surface of the exterior courtesy lamps, if viewed by an observer moving on the boundary of a zone on a transverse plane 10 m from the front of the vehicle, a transverse plane 10 m from the rear of the vehicle, and two longitudinal planes 10 m from each side of the vehicle; these four planes to extend from 1 m to 3 m above and perpendicular to the ground as shown in Annex 7.
In addition to the conditions described in paragraph 5.4., the requirements prescribed above shall be verified in the following vehicle conditions:
Stand: On a prop stand or a centre stand, and both if applicable
Steering: Straight ahead, and locked in each available position
At the request of the applicant and with the consent of the Technical Service this requirement may be verified by a drawing or simulation. 		a2c0