The proposed maximum residue limits (MRLs) for Deltamethrin and Tralomethrin notified in G/SPS/N/JPN/1350 (dated 1 July 2025) were adopted. These amendments have been published in 'KAMPO' (6 January 2026) (Official Government Gazette available in Japanese only). The date of entry into force: 6 January 2026 (oats, barley, wheat, maize, milo and rye), 6 January 2027 (hay). Commodity (for feed) Proposed MRL (mg/kg) Current MRL (mg/kg) Oats 2 1 Barley 2 1 Wheat 2 1 Maize 2 1 Milo 2 1 Rye 2 1 Hay 1 5 Note: - Residue definition for enforcement: Sum of deltamethrin (including deltamethrin converted from tralomethrin), and metabolites CR[(R)-α-cyano-3-phenoxybenzyl=(1R,3R)-3-(dibromovinyl)-2,2-dimethylcyclopropanecarboxylate] and CT[(S)-α-cyano-3-phenoxybenzyl=(1S,3S)-3-(dibromovinyl)-2,2-dimethylcyclopropanecarboxylate] converted to deltamethrin. - Hay includes hay and fodder (dry), straw, forage (green) and silage. The MRL is set as 90% dry matter base.