12 CFR 1091.102: Issuance of Notice of Reasonable Cause.

(a) An initiating official is authorized to issue a Notice of Reasonable Cause to a person stating that the Bureau may have reasonable cause to determine that the respondent is a nonbank covered person that is engaging, or has engaged, in conduct that poses risks to consumers with regard to the offering or provision of consumer financial products or services.

(b) A Notice of Reasonable Cause shall be based on:

(1) Complaints collected through the system under 12 U.S.C. 5493(b)(3); or

(2) Information from other sources.

(c) Except as provided in § 1091.111, a Notice of Reasonable Cause shall contain the information set forth in § 1091.103, and be served on respondent as described in § 1091.104.