Interest rates; underpayments and overpayments. The rates for interest determined under section 6621 of the Code for the calendar quarter beginning January 1, 2012, will be 3 percent for overpayments (2 percent in the case of a corporation), 3 percent for the underpayments, and 5 percent for large corporate underpayments. The rate of interest paid on the portion of a corporate overpayment exceeding $10,000 will be 0.5 percent.

This notice requests comments on proposed guidance concerning the income, gift, estate, and/or generation-skipping transfer tax consequences in situations in which transfers by a trustee from an irrevocable trust to another irrevocable trust (sometimes called “decanting”) results in a change of beneficial interests.

General rules and specifications for substitute forms and schedules. Requirements are set forth for privately designed and privately printed federal tax forms and conditions under which the Service will accept computer prepared, and computer-generated tax forms and schedules. It will be reproduced as the next revision of Publication 1167. Rev. Proc. 2010-21 superseded.

General rules and specifications for substitute forms W-2 and W-3. This procedure provides specifications for the private printing of red-ink and black-and-white paper substitutes for the 2011 revision of Form W-2, Wage and Tax Statement, and Form W-3, Transmittal of Wage and Tax Statements. It will be reproduced as the next revision of Publication 1141. Rev. Proc. 2010-42 superseded.

This notice provides a sample plan amendment that plan sponsors may adopt to satisfy section 436 of the Code regarding limitations on the accrual and payment of benefits under certain underfunded single employer defined benefit plans. The notice also extends both the deadline to amend a plan to satisfy section 436 and the period during which such an amendment is eligible for relief from the anti-cutback requirements of section 411(d)(6).

This notice contains the 2011 Cumulative List of Changes in Plan Qualification Requirements (2011 Cumulative List) described in section 4 of Rev. Proc. 2007-44, 2007-2 C.B. 54. The 2011 Cumulative List is to be used by plan sponsors and practitioners submitting determination, opinion, or advisory letter applications for plans during the period beginning February 1, 2012, and ending January 31, 2013.

Weighted average interest rate update; corporate bond indices; 30-year Treasury securities; segment rates. This notice contains updates for the corporate bond weighted average interest rate for plan years beginning in December 2011; the 24-month average segment rates; the funding transitional segment rates applicable for December 2011; and the minimum present value transitional rates for November 2011.

Relief for IRA owners subject to certain broker agreements. This announcement provides relief to owners of Individual Retirement Accounts (IRAs) who have signed certain indemnification agreements in connection with their IRAs.

This announcement describes several important changes to the Employee Plans determination letter program that take effect in 2012.

This notice requests comments on proposed guidance concerning the income, gift, estate, and/or generation-skipping transfer tax consequences in situations in which transfers by a trustee from an irrevocable trust to another irrevocable trust (sometimes called “decanting”) results in a change of beneficial interests.

This notice requests comments on proposed guidance concerning the income, gift, estate, and/or generation-skipping transfer tax consequences in situations in which transfers by a trustee from an irrevocable trust to another irrevocable trust (sometimes called “decanting”) results in a change of beneficial interests.

2012 social security contribution and benefit base; domestic employee coverage threshold. The Commissioner of the Social Security Administration has announced (1) the OASDI contribution and benefit base for remuneration paid in 2012 and self-employment income earned in taxable years beginning in 2012, and (2) the domestic employee coverage threshold amount for 2012.

General rules and specifications for substitute forms W-2 and W-3. This procedure provides specifications for the private printing of red-ink and black-and-white paper substitutes for the 2011 revision of Form W-2, Wage and Tax Statement, and Form W-3, Transmittal of Wage and Tax Statements. It will be reproduced as the next revision of Publication 1141. Rev. Proc. 2010-42 superseded.

General rules and specifications for private printing of substitute forms. This procedure provides requirements for reproducing paper substitutes and for furnishing substitute recipient statements for Form 1096, 1098, 1099, 5498, and certain other information returns. It will be reproduced as the next revision of Publication 1179. Rev. Proc. 2009-49 superseded.