Definition: In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.
Input: Children's Listbroker Privacy Act - Makes it unlawful: (1) to sell personal information about an individual the seller knows to be a child (under age 16); (2) to purchase personal information about an individual identified by the seller as a child for the purpose of marketing to that child; or (3) for a purchaser who has provided a certification limiting the use of such information to engage in any practice that violates the certification terms. Makes an exception with respect to express parental consent to such sale, purchase, or use. Provides for violation enforcement through the Federal Trade Commission (FTC) and certain other Federal agencies.

Authorizes enforcement actions by States acting on behalf of its residents (allowing FTC intervention).
Output:
A bill to regulate interstate commerce by prohibiting the sale of children's personally identifiable information for commercial marketing purposes.