If you downloaded the 2011 Instructions for Form 2210 before January 11, 2012, please note the following correction.

Page 3, Line 3: Instruction to figure the amount of the section 1341 credit was added.

Page 5, Worksheet for Form 2210, Part IV, Section B:  Line reference numbers were changed for lines 7, 10, and 13.

The corrected version of the 2011 Instructions for Form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts, is now available for download.