Final answer:
The General Data Protection Regulation (GDPR) changed the requirement to track a disclosure as part of the TPO relationship.
Step-by-step explanation:
The rule that changed the requirement to track a disclosure as part of the TPO relationship is the General Data Protection Regulation (GDPR).
The GDPR is a regulation that was implemented in the European Union in 2018.
It requires organizations to obtain clear and explicit consent from individuals before collecting and processing their personal data.