Identification and Ranking the Current Barriers in National Tax System (The Comprehensive Tax Plan)

Tis study aims to identify and rank the obstacles found in the change of country tax system (tax comprehensive plan). In the first chapter, some questions have been raised and along them, some hypotheses are considered.The general questions of this study are- do environmental obstacles influence on successful implementing of tax comprehensive plan? Do organizational obstacles influence on successful implementation of tax comprehensive plan? Do behavioral obstacles influence on successful implementation of tax comprehensive plan?The method of this research is practical by purpose, and it is descriptive by data collection. Statistical population of this study is consisted of all of experts and managers of organization of country tax affairs and based on Cochran formula 106 people of personnel and manager of Tehran tax affairs and personnel in the building of tax comprehensive plan are selected as the sample. Considering the study literature, behavioral obstacles, environmental obstacles and organizational obstacles are evaluated and a questionnaire is designed based on mentioned variables with five scales of Likert with demographic variables. In this study, after preparing the study plan and studying and collecting its theoretic basics, two questionnaires are prepared for identifying and ranking the obstacles for study statistical sample and after distributing and gathering questionnaires, descriptive inferential statistics has been used for data analysis, and nonparametric test is used for hypothesis test. 10 of 13 hypotheses are proved and three of them failed to be proved which the proved results of this study are consistent with those of previous research ( about unproved hypotheses, they weren’t consistent, therefore, they can be examined for future research), then, through Friedman test, they are ranked as follows- 1- resistance of personnel against the change, 2- cultural factor, 3- behavioral factor, 4- lack professional workforce, 5- environmental factor 6- technological factor , 7- organizational factor, 8- lack of managers’ support, 9- technological factors (organizational), 10- domestic policy. Conclusion- considering the impact of cultural factor on the implementation of plan, it is recommended to include some pedagogic materials in textbooks of students and to make teaser ads and make animation and accomplishing education and expressing the importance of implementing the plan for general public, in order to promote a culture in this regard for all ages. Suggestions- In the current state budget and tax Civil Affairs with support at work and Parliament also about requiring all government agencies and non-governmental entities and financial and non-financial entities to submit information and supervision act.