You have a duty to follow your organization's policies and procedures regarding notification if you:

The duty to follow your organization's policies and procedures regarding notification applies in all listed scenarios because ensuring the security and integrity of Protected Health Information (PHI) is a key component of compliance with HIPAA and other regulatory frameworks.

When you detect a data breach, it is critical to promptly notify the appropriate personnel or authorities as per your organization's procedures to mitigate any potential harm and ensure that the breach is handled according to legal requirements. Reporting a data breach is essential for maintaining trust and protecting patients' sensitive information.

Accessing PHI also requires adherence to organizational policies, as it is crucial to access this information responsibly and in accordance with established protocols to prevent unauthorized disclosure or misuse.

Handling secure information encompasses both detection of breaches and access to PHI, making it vital to be knowledgeable about and engage with the appropriate policies to protect data effectively.

Thus, following organizational policies and procedures is necessary not just in the event of a breach, but across all interactions with sensitive information, which is why the comprehensive answer includes all the scenarios.