Any person subject to this part shall keep, for a period of twenty-four months from the last date the person made or disseminated the applicable commercial communication regarding any term of any mortgage credit product, the following evidence of compliance with this part:

Copies of all materially different commercial communications as well as sales scripts, training materials, and marketing materials, regarding any term of any mortgage credit product, that the person made or disseminated during the relevant time period;

Documents describing or evidencing all mortgage credit products available to consumers during the time period in which the person made or disseminated each commercial communication regarding any term of any mortgage credit product, including but not limited to the names and terms of each such mortgage credit product available to consumers; and

Documents describing or evidencing all additional products or services (such as credit insurance or credit disability insurance) that are or may be offered or provided with the mortgage credit products available to consumers during the time period in which the person made or disseminated each commercial communication regarding any term of any mortgage credit product, including but not limited to the names and terms of each such additional product or service available to consumers.

Any person subject to this part may keep the records required by paragraph (a) of this section in any legible form, and in the same manner, format, or place as they keep such records in the ordinary course of business. Failure to keep all records required under paragraph (a) of this section shall be a violation of this part.