17 CFR §162.7

1. (a)In general. A covered affiliate shall be prohibited from using eligibility information about a consumer received from an affiliate to make a solicitation to the consumer about the covered affiliate's financial products or services, unless the consumer is provided a reasonable and simple method to opt out, as required by this subpart.
2. (b)Examples. Reasonable and simple methods of opting out include:
   1. (1)Designating a check-off box in a prominent position on an opt-out election form;
   2. (2)Including a reply form and a self-addressed envelope (in a mailing);
   3. (3)Providing an electronic means, if the consumer agrees, that can be electronically mailed or processed through an Internet Web site;
   4. (4)Providing a toll-free telephone number; or
   5. (5)Exercising an opt-out election through whatever means are acceptable under a consolidated privacy notice required under other laws.
3. (c)Specific opt-out method. Each consumer may be required to opt out through a specific method, as long as that method is acceptable under this subpart.