This document is also available in a version with track changes.

Proposal from the Simplification of Lighting Regulations (SLR) informal group to limit new unique identifiers to cases where a product variant no longer meets a series of amendments. If all variants using the same original UI continue to meet all applicable series of amendments, the variants would all continue to share the same UI. A new UI would be needed only when one or more variants cannot comply with a new series of amendments.

IMMA proposal to delete definitions in UN R53.02 that are already in UN R48. Under the Simplification of Lighting Regulations (SLR) program, certain common lighting device definitions would be consolidated under UN R48 (lighting installation).

IMMA proposal to delete definitions in UN R74.01 that are already in UN R48. Under the Simplification of Lighting Regulations (SLR) program, certain common lighting device definitions would be consolidated under UN R48 (lighting installation).

Explanation and examples of how the proposed lighting device change index and approval mark would work in cases of series of amendments and supplements.