| GRE-73-05 | Analysis and concept for simplification of lighting and light-signalling Regulations | |
| GRE-73-04 | Proposal for draft amendments to Regulation No. 7 based on a "Horizontal Reference Document" | |
| GRE-73-03 | Proposal for draft amendments to Regulation No. 48 based on the concept of using a new Part II as a "Horizontal Reference Document" | |
| GRE-73-22 | Status report and revised timeline of the Simplification of Lighting Rules informal group | |
| GRE-73-23 | Simplification of Light Sources Regulations Nos. 37, 99, 128 | |
| GRE-73-23 | Simplification of Light Sources Regulations Nos. 37, 99, 128 | |
| GRE-73-23 | Simplification of Light Sources Regulations Nos. 37, 99, 128 | |
| GRE-73-04 | Proposal for draft amendments to Regulation No. 7 based on a "Horizontal Reference Document" |