What is the effective date of S.O. 2017 c. 10, Schedule 4, section 1?

The effective date of S.O. 2017 c. 10, Schedule 4, section 1 is indeed May 30, 2017. This date is significant as it marks the point at which the provisions stipulated within this legislation became enforceable. Understanding the timeline of when legislation takes effect is crucial for compliance, as it ensures that individuals and organizations are aware of their responsibilities under the law from that specific date.

In the context of various dates provided, May 30, 2017, is the correct answer because it aligns with the legislative intent and timing of other regulatory changes that were enacted at that time. Effective dates often coincide with the passage of legislation, and in examining related regulatory frameworks, it's clear that this date is pivotal in the implementation phase. This allows stakeholders to adapt to changes in compliance standards and regulations dictated by the Ontario Building Code.