15 U.S. Code § 1692d. Harassment or abuse
A debt collector may not engage in any conduct the natural consequence of which is to harass, oppress, or abuse any person in connection with the collection of a debt. Without limiting the general application of the foregoing, the following conduct is a violation of this section:
The use of obscene or profane language or language the natural consequence of which is to abuse the hearer or reader.
Except as provided in section 1692b of this title, the placement of telephone calls without meaningful disclosure of the caller’s identity.
References in Text
 See References in Text note below.