Ontario recently unveiled its latest Building Code, announced on April 10th, with aims to reduce regulatory burdens on the construction industry while maintaining high standards of performance and safety in new and renovated buildings. This new code, effective January 1, 2025, features significant structural changes and aligns closely with the National Construction Codes, eliminating over 1,730 technical variations between provincial and national requirements. MW Drafting & Design is actively evaluating the code's implications for the profession. Transitioning to the new code involves a three-month period until March 31 for applications with substantially complete working drawings initiated before 2025. After April 1, 2025, all permit applications must adhere to the 2024 Ontario Building Code. Some notable highlights of the 2024 Ontario Building Code include harmonization with the National Building Code's provisions for secondary suites in two-unit houses, regulations for Large Farm Buildings, mitigation measures for radon effects, updates to fire protection system standards, and revisions to standards for prefabricated septic tanks and sewage holding tanks. Additional changes to the Environmental Assessment Act and Conservation Authorities Act have also been implemented. These amendments, effective immediately, include updates to applicable laws regarding designated projects under the Environmental Assessment Act and permits issued by conservation authorities and the Minister of Natural Resources and Forestry under the Conservation Authorities Act.