Presentation in support of the proposa to introduce new light emitting diode (LED) substitute light source categories C5W/LEDK and R5W/LED (document GRE/2019/9).

Presentation in support of the proposal to introduce new LED substitute light source categories W5W/LEDK and WY5W/LED (document GRE/2019/10).

Illustration of interlock solutions for the categories C5W/LEDK, W5W/LEDK and WY5W/LED proposed in the documents GRE/2019/9 and GRE/2019/10.