Utah Code § 13-25a-107.2: Requests to a specific telephone solicitor.

(1) A telephone solicitor may not make or cause to be made a telephone solicitation to a person who has informed the telephone solicitor, either in writing or orally, that the person does not wish to receive a telephone call from the telephone solicitor.

(2) A telephone solicitor is not liable for a violation of this section if the telephone solicitor complies with 16 C.F.R. Part 310.4(b)(3) and (4).