CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER B—PROCEDURAL RULES (parts 11 to 17) > PART 13—INVESTIGATIVE AND ENFORCEMENT PROCEDURES > SUBPART F—Formal Fact-Finding Investigation Under an Order of Investigation (§13.101 to §13.131) > 13.129—Post-investigation action.