PART 4219—NOTICE, COLLECTION, AND REDETERMINATION OF WITHDRAWAL LIABILITY
- SUBPART A—General (§4219.1 to §4219.2)
- SUBPART B—Redetermination of Withdrawal Liability Upon Mass Withdrawal (§4219.11 to §4219.20)
- SUBPART C—Overdue, Defaulted, and Overpaid Withdrawal Liability (§4219.31 to §4219.33)