CFR > Title 31 - Money and Finance: Treasury > SUBTITLE B—Regulations Relating to Money and Finance > CHAPTER VIII—OFFICE OF INVESTMENT SECURITY, DEPARTMENT OF THE TREASURY (parts 800 to 800) > PART 800—REGULATIONS PERTAINING TO MERGERS, ACQUISITIONS, AND TAKEOVERS BY FOREIGN PERSONS > SUBPART E—Committee Procedures: Review and Investigation (§800.501 to §800.509) > 800.505—Commencement of investigation.

800.505—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 thirty-day review period described in § 800.502.
(b) An official of the Department of the Treasury shall promptly send written advice to the parties to a covered transaction of the commencement of an investigation.