Under the Google EU User Consent Policy, you must make certain disclosures to your users in the European Economic Area (EEA) and obtain their consent to use cookies or other local storage, where legally required, and to use personal data (such as AdID) to serve ads. This policy reflects the requirements of the EU ePrivacy Directive and the General Data Protection Regulation (GDPR). To support publishers in meeting their duties under this policy, Google offers this Consent SDK.
For additional documentation on the Google Mobile Ads Consent SDK, refer to the Consent SDK developer docs.