The DIF score is pretty important when it comes to taxes and tax audits. This score is known as the secret formula of the IRS. It is a computer program that compares deductions of people that belong to the same income bracket. It then computes the differences. If you are not aware of this score or if you do not know much about it, it is best that you check online resources that will give you valuable information on how you can save on your taxes or have them reduced. You will see that you can save a substantial amount of money.