12 C.F.R. § 1033.421
(2) Specific purposes. For purposes of paragraph (a)(1) of this section, the following are not part of, or reasonably necessary to provide, any other product or service:
(3) Elements. In developing its policies and procedures regarding accuracy, a third party must consider, for example:
(e) Data security.
(g) Ensuring consumers are informed.
(3) The third party will establish and maintain reasonable written policies and procedures designed to ensure that the third party provides to the consumer, upon request, the information listed in this paragraph (g)(3) about the third party's access to the consumer's covered data. The third party has flexibility to determine its policies and procedures in light of the size, nature, and complexity of its activities, and the third party will periodically review its policies and procedures and update them as appropriate to ensure their continued effectiveness. The policies and procedures must be designed to ensure that the third party provides the following to the consumer, upon request:
(2) Notice of revocation. The third party will notify the data provider, any data aggregator, and other third parties to whom it has provided the consumer's covered data when the third party receives a revocation request from the consumer.