Reporting prior period adjustments.   Prior period adjustments are reported on Form 941-X, Amended Employer's QUARTERLY Federal Tax Return or Claim for Refund, and are not taken into account when figuring the tax liability for the current quarter.

  When you file Schedule B (Form 941) with your Form 941 (or Form 941-SS), do not change your tax liability by adjustments reported on any Form 941-X.

Amended Schedule B.   If you have been assessed a failure-to-deposit (FTD) penalty, you may be able to file an amended Schedule B (Form 941). See Amending a Previously Filed Schedule B (Form 941) on page 2.