The "Implementation Tiers" in Section $2\mathrm{.}0$ of the NIST Privacy Framework provide a classification system for organizations to assess and improve their privacy practices. These tiers align with the CCPA's focus on responsible data processing and integrity by considering various attributes and criteria.

The Implementation Tiers consist of four levels, each representing a different level of privacy risk management maturity. These tiers are:

Tier $1-$ Partial: Organizations at this tier have limited awareness of privacy risks and do not have formal processes in place to manage them. They may have ad$-$hoc privacy practices and lack a comprehensive understanding of their data processing activities.

Tier $2-$ Risk Informed: Organizations at this tier have a basic understanding of privacy risks and have started to implement some privacy controls. They have identified key privacy risks and have begun to develop processes to manage them.

Tier $3-$ Repeatable: Organizations at this tier have established and documented privacy processes and controls. They have implemented privacy practices that are repeatable and consistent across the organization. They regularly assess and update their privacy practices based on changes in regulations and emerging risks.

Tier $4-$ Adaptive: Organizations at this tier have a mature and proactive approach to privacy risk management. They have a comprehensive understanding of privacy risks and have implemented advanced privacy controls. They continuously monitor and adapt their privacy practices to address new risks and changes in the regulatory landscape.

The CCPA focuses on responsible data processing and integrity by requiring organizations to implement measures to protect consumer data and ensure its accuracy. The Implementation Tiers align with this focus by providing a framework for organizations to assess and improve their privacy practices. By progressing through the tiers, organizations can enhance their ability to responsibly process data and maintain its integrity, thereby aligning with the CCPA's requirements.