Picture of a brown recluse spider. Note the violin pattern on the cephalothorax and light-colored hairless abdomen. Picture of a brown recluse spider. Picture of a brown recluse spider head close-up. Generalized symptoms of bites from black widow and brown recluse spiders may include: 1  fever,  nausea,
Standard Mileage Rate Law and Legal Definition. The standard mileage rate (SMR), also known as mileage per diem, is the amount per mile that the Internal Revenue Service (IRS) allows small businesses and self-employed persons to use to calculate their vehicle expenses for tax deduction purposes.
Tax Tips for You and Your Clients. The IRS issued its 2015 optional standard mileage rates, and beginning Jan. 1, the standard mileage rates for the use of a car, van, pickup, or panel truck will be the following: 1  57.5 cents per mile for business miles driven (an increase from 56 cents in 2014).he IRS issued its 2015 optional standard mileage rates, and beginning Jan. 1, the standard mileage rates for the use of a car, van, pickup, or panel truck will be the following: