The 29th meeting of the GRE Task Force on Substitutes/Retrofits is scheduled for 13 July 2026, 13:00-14:00 CEST, held online via Teams. The agenda includes discussion of the way forward, review of GRE94 report, proposals for R.E.5 covering H11 LEDr, H8 LEDr, H16 LEDr, HB4 LEDr, front fog types including H10, high beam types including HIR2, HB3, and H9, low beam types, clarification of R37 requirements for LEDr, enforcement and market surveillance, preparation and submissions to GRE95, any other business, and next meetings.