CFR > Title 5 - Administrative Personnel > CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT > SUBCHAPTER B—CIVIL SERVICE REGULATIONS (parts 110 to 990) > PART 845—FEDERAL EMPLOYEES RETIREMENT SYSTEM—DEBT COLLECTION > SUBPART C—Standards for Waiver of Overpayments (§845.301 to §845.307) > 845.306—Waiver precluded.