Just a reminder, the standard mileage rate beginning 7/1/2011 was adjusted to 55.5 cents per mile through 12/31/2011 which is a 4.5 cent per mile increase over the period from 1/1/2011 through 6/30/2011. [see Rev. Proc. 2010-51 (2010-51 IRB 883) ]. As a result of the change, make sure your mileage records clearly state the dates so you don’t lose out on the increased deduction.