CFR > Title 29 - Labor > SUBTITLE B—Regulations Relating to Labor > CHAPTER XL—PENSION BENEFIT GUARANTY CORPORATION (parts 4000 to 4907) > SUBCHAPTER I—WITHDRAWAL LIABILITY FOR MULTIEMPLOYER PLANS (parts 4203 to 4221) > PART 4204—VARIANCES FOR SALE OF ASSETS > SUBPART C—Procedures for Individual and Class Variances or Exemptions (§4204.21 to §4204.22)