Which organization released the 2020 editions of the National Construction Codes?

The correct answer is the Canadian Commission on Building and Fire Codes. This organization is responsible for the development and maintenance of the National Construction Codes in Canada, which include the National Building Code, the National Fire Code, and other related codes. These codes are updated periodically to ensure they reflect the latest in safety, technology, and building practices.

The Canadian Commission on Building and Fire Codes plays a crucial role in bringing together expertise from different sectors to facilitate the creation of comprehensive building codes that address health and safety standards across the construction industry in Canada. This collaborative effort helps ensure consistency and reliability in construction practices nationwide.