What is the effective date of S.O. 2009 c. 33, Schedule 21, sections 2(2), (3), (5), and (6)?

The effective date of S.O. 2009 c. 33, Schedule 21, sections 2(2), (3), (5), and (6) is January 1, 2011. This date marks the point at which the provisions outlined in these sections became mandatory and enforceable. It's important for those involved in building design and construction to be aware of effective dates, as they indicate when new regulations or amendments take effect, ensuring that all projects comply with the most current standards established by the Ontario Building Code.

The other dates provided in the options relate to different legislative actions or earlier regulations that do not coincide with the implementation of the specific sections in question. Understanding the timeline of building codes and regulations is crucial for compliance and to avoid potential legal issues in construction projects.