The Task Force on Substitutes/Retrofits held its 27th meeting on 20 April 2026. The agenda TFSR-27-01 was adopted with focus on agenda item 10. The report of the 26th meeting TFSR-26-05 was confirmed. GTB WGLS will continue work on category sheet proposals for high beam cluster, anticipated for submission by end of May. H11 LEDr entered into force in November 2024; H8 LEDr, H16 LEDr, HB4 LEDr entered into force March 2026. Document TFSR-27-02 was reviewed page-by-page and agreed changes implemented; the secretary was asked to submit this document and the draft H10 LEDr proposal to GRE94 as informal documents. The next meeting is planned for 15 June 2026.