Building a Consent Preference Center

Overview

A consent preference center is the centralized interface through which data subjects manage their consent choices across all processing purposes. Under GDPR Article 7(3), withdrawal of consent must be as easy as giving it, making a well-designed preference center critical for compliance. The IAB Europe Transparency and Consent Framework (TCF) v2.2 provides a standardized approach for advertising-related consent that integrates with this architecture.

Architecture Components

1. Data Model

The consent preference center requires four core data entities:

Consent Purpose Registry Stores all processing purposes for which consent is the lawful basis.