Does the Agency Holding Rule change apply to an amended complaint?

9 Even if we were to construe Agency Holding as a clear break from past precedent, the appellants are unable to show that the purpose and effect of the new rule would not be defeated by our application of the four-year limitations period. We note that permitting an amended complaint in this suit would conflict with one aim of the Agency Holding rule, which was to "avoid intolerable 'uncertainty and time-consuming litigation.' " Agency Holding, 483 U.S. at 150, 107 S.Ct. at 2764 (quoting Wilson v. Garcia, 471 U.S. 261, 272, 105 S.Ct. 1938, 1945, 85 L.Ed.2d 254 (1985)).