View all text of Subpart E [§ 800.501 - § 800.509]
§ 800.507 - Commencement of investigation.
(a) If it is determined that an investigation should be undertaken, such investigation shall commence no later than the end of the review period described in § 800.503.
(b) An official of the Department of the Treasury shall promptly inform the parties to a covered transaction in writing of the commencement of an investigation.