There are tax laws that exist to protect a business, corporation, and even the individual. Taxes are of course levied by the government so the tax laws will also protect the government. A tax lawyer can come in handy for any business or person who is facing issues with these tax laws. A tax lawyer is typically hired when a business is thought to have not paid their taxes or paid their taxes late. A tax lawyer could also be employed to help against the raising of certain taxes, but not often.
Most often the tax lawyer is going to defend a person or business to the government. The case usually ends with the person paying the fines, but the tax lawyer may be able to reduce those fines.