Tax law is a body of legal rules that governs how taxes are collected and administered by government entities. It covers a wide variety of taxes, and it is one of the most complex areas of legal practice. Tax laws can include income tax, property tax, estate tax, gift tax, corporate tax, and more. Tax law helps to ensure that government entities are able to collect the revenue needed to function, and it also provides guidance on how to pay taxes, reduce and minimize the amount owed, and how to handle disputes.