Internal Revenue Bulletin:  2007-52 

December 26, 2007 

INCOME TAX


Rev. Rul. 2007-68 Rev. Rul. 2007-68

Interest rates; underpayments and overpayments. The rates of interest determined under section 6621 of the Code for the calendar quarter beginning January 1, 2008, will be 7 percent for overpayments (6 percent in the case of a corporation), 7 percent for underpayments, and 9 percent for large corporate underpayments. The rate of interest paid on the portion of a corporate overpayment exceeding $10,000 will be 4.5 percent.

T.D. 9365 T.D. 9365

Final regulations under section 45G of the Code provide rules for claiming the railroad track maintenance credit for qualified railroad track maintenance expenditures paid or incurred by a Class II railroad or Class III railroad and other eligible taxpayers during the taxable year.

Rev. Proc. 2007-72 Rev. Proc. 2007-72

This procedure describes the conditions under which changes to certain subprime mortgage loans will not cause the Internal Revenue Service to challenge the tax status of certain securitization vehicles holding the loans.


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