What key question is asked related to submission to the Canadian Commission on Building and Fire Codes?

The focus on whether the change has been submitted as a proposed amendment to the National Building or Plumbing Codes is crucial because it addresses the formal process of making alterations or updates to the existing codes. This process ensures that any proposed changes undergo appropriate evaluation, discussion, and consensus before being adopted into the national framework.

Submitting a proposed amendment allows for scrutiny by various stakeholders within the Canadian Commission on Building and Fire Codes. This step is essential as it enables input from experts, practitioners, and authorities across the country, fostering a collaborative approach to code development. It also ensures that changes reflect current best practices, address emerging safety concerns, and align with the evolving needs of the building industry.

In contrast, the other options, while relevant to the broader discussion of code change management, do not directly capture the formal submission process that is critical for amendments to be officially recognized and considered. Evaluating local authority approval, national review, or alignment with international standards may be important for context but does not specifically encapsulate the key question about the proposal's formal submission for code amendments.