[PCI-DSS] 3.1 Keep cardholder data storage to a minimum. Develop a data retention and disposal policy. Limit storage amount and retention time to that which is required for business, legal, and/or regulatory purposes, as documented in the data retention policy.
3.1 Obtain and examine the company policies and procedures for data retention and disposal, and perform the following
[li] Verify that policies and procedures include legal, regulatory, and business requirements for data retention, including specific requirements for retention of cardholder data (for example, cardholder data needs to be held for X period for Y business reasons)[/li][li] Verify that policies and procedures include provisions for disposal of data when no longer needed for legal, regulatory, or business reasons, including disposal of cardholder data[/li][li] Verify that policies and procedures include coverage for all storage of cardholder data[/li][li] Verify that policies and procedures include a programmatic (automatic) process to remove, at least on a quarterly basis, stored cardholder data that exceeds business retention requirements, or, alternatively, requirements for a review, conducted at least on a quarterly basis, to verify that stored cardholder data does not exceed business retention requirements[/li][/ul]