The Government of Ontario finalised amendments to the Blue Box Regulation, and additional details were published on 18 December 2025 to clarify their implications for producers starting in 2026. Key changes include extending the best efforts provision for meeting management requirements for all Blue Box materials through the 2027 performance year, easing immediate compliance pressures during the transition period. Management requirements for paper, glass, metal, rigid plastics, and beverage containers remain unchanged until 2032, when higher recovery targets will take effect. The amendments also remove the obligation to expand public space recycling bins, requiring producers only to maintain existing bins previously serviced under the legacy program. The updated guidance introduces further flexibility and clarification for producers. From 2026, up to 15% of a producers management requirement may be met through energy-from-waste (EfW) processes, and beverage container obligations will apply only to containers supplied to residential consumers, excluding those collected from businesses or institutions. Additional amendments clarify timelines for servicing new residences, update promotion and education requirements to include bilingual online publication with print materials available on request, and refine key definitions related to consumers, residences, and facilities. Together, these changes aim to improve regulatory clarity, support compliance during the transition to a fully producer-run system, and ensure timely processing of collected Blue Box materials.