15 U.S.C. § 1692j

1. (a)It is unlawful to design, compile, and furnish any form knowing that such form would be used to create the false belief in a consumer that a person other than the creditor of such consumer is participating in the collection of or in an attempt to collect a debt such consumer allegedly owes such creditor, when in fact such person is not so participating.
2. (b)Any person who violates this section shall be liable to the same extent and in the same manner as a debt collector is liable under section 1692k of this title for failure to comply with a provision of this subchapter.