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.
Standard(s) are the recommended status for the community or country. Policy are rules and should be followed by the community or country.     It might help to think â¦ of them in terms of automobile speed limits.   The policy (or law) might say that drivers must adhere to posted speed limits.