The problems of high fiscal deficit,high current account deficit, and high inflation faced bythe government of Pakistan are linkedto Pakistan'sweak tax revenue effort.There are concerns that revenue inPakistan is raised in an inefficient way by favoring certainsectors and economic activities over others. The assessmentof tax expenditures is often complicated because reportingand accounting practices fall far short of what is used forofficial government expenditures, which makes it difficult,if not impossible, to evaluate the cost, efficiency anddistributional impact of tax expenditures. The purpose ofthe study is to undertake a detailed assessment of taxexpenditure in Pakistan, including an appropriate definitionand methodologies for measuring tax expenditures.Considerable effort is required to develop and establish asuitable framework to identify, measure and criticallyassess the merits of tax expenditures on an annual basis.Pakistan is committed to increasing the transparency of taxpolicy by providing detailed estimates of tax expenditures.This paper provides a detailed assessment of taxexpenditures in Pakistan, framework, and a methodology formeasuring tax expenditures.