If you run a business and have ever found yourself angry about how your credit card manipulates interest rates to squeeze more money out of you then you will be happy to hear about some of the changes that go into effect on 2/22/2010.

If you are the type who runs a home business and sometimes makes overpayments you will be happy to know that for the most part your credit card company must apply the excess amount to the balance with the highest interest rate.

There are some exceptions which you can read about at the Federal Reserve site. And you can also get more details about other new rules going into effect.