What sections of S.O. 2017 c. 34 were enforced on December 14, 2017?

The sections of S.O. 2017 c. 34 that were enforced on December 14, 2017, encompass a wide range of provisions, totaling various aspects coded within the legislation. This comprehensive enforcement indicates that a significant number of provisions from this statute were deemed necessary to be in effect for compliance on that date.

Option B correctly identifies a multitude of sections, which reflects the legislation's scope and addresses various regulatory requirements essential for building practices, safety standards, and administrative procedures. By listing these specific provisions, it ensures that all pertinent areas of the building code are adhered to, covering everything from fundamental definitions to detailed operational rules.

This choice highlights the intention behind the legislation to bring into effect a robust framework of regulations at once, ensuring that stakeholders—whether they are builders, inspectors, or regulators—are aligned with the current requirements that govern building practices in Ontario. This comprehensive approach is vital for maintaining safety standards and ensuring proper oversight within the industry.

The other options either provide a limited selection of sections or fail to encompass the entire scope provided in the correct answer, which results in them not fully addressing the complete regulatory framework that was enforced at that time.