I'm assuming you're not a DOT regulated transportation worker. For travel on business, overnight, away from
home the per diem rate varies from location to location. From IRS Publication
17: "Amount of standard meal allowance. The standard meal allowance is the
federal M&IE rate. For 2015 the rate in most small localities is $51 a day."
For more specific rates, see http://www.gsa.gov/perdiem as
the actual rate depends on the location of your travel. (Note that you need to
set the year in the drop down box just above the map.)
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