Tax law

Area of law The Internal Revenue Code is the primary statutory basis of federal tax law in the United States. The Code of Federal Regulations is the Treasury Department's regulatory interpretation of the federal tax laws passed by Congress, which carry the weight of law if the interpretation is reasonable. Tax treaties and case law in U.S. Tax Court and other federal courts constitute the remainder of tax law in the United States. Part of a series onTaxation An aspect of fiscal policy Policies Economic justice Government revenue Property tax equalization Tax revenue Non-tax revenue Tax law Tax bracket Flat tax Tax burden Tax threshold Taxation as theft Tax shift Tax cut Tax advantage Tax incentive Tax reform Double taxation Tax harmonization Tax competition Voluntary taxation Representation Economics General theory Excess burden Tax efficiency Tax incidence Laffer curve Optimal tax Price effect Theories Optimal capital income taxation Distribution of tax Tax rate Burden Flat Progressive Regressive Proportional Collection Economic nexus in the United States Revenue service Revenue stamp Tax assessment Taxable income Tax lien Tax refund Tax shield Tax residence Tax preparation Tax pr