Special per diem rates for lodging, meals, and incidental expenses.
Notice 2014-57 announces the special per diem rates effective October 1, 2014, which taxpayers may use to substantiate the amount of expenses for lodging, meals, and incidental expenses when traveling away from home. The rates are the special transportation industry rate, the rate for the incidental expenses only deduction, and the rates and list of high-cost localities for purposes of the high-low substantiation method. Use of a per diem substantiation method is not mandatory. A taxpayer may substantiate actual allowable expenses if the taxpayer maintains adequate records or other sufficient evidence for proper substantiation.
Notice 2014-57 will be published in Internal Revenue Bulletin 2014-41 on Oct. 6, 2014.
Source: IRS Guidewire Issue Number: N-2014-57
http://www.irs.gov/pub/irs-drop/n-14-57.pdf