Analysis of the effectof corporate governance on the company’s tax Avoidance among the companies accepted in Tehran stock exchange. Therefore, Screening techniques have been used for the period of 10 years (from 2006 to 2016) and 91 companies were chosen from the companies accepted in Tehran Stock exchange. The research variables were calculated by “Excel” software and data were analyzed by combining them with “Eviews” software and OLS and SLS2 regression. In present research “LEVIN, LIN, AND CHU AND FULLER DICKY’S TESTS were used to determine stability and tedium of the variables in the project and to analyze syntax of variables, the inflation factors variance test was used. Results show that the variables are stable and there is no coherent among Them. Hypothesis test results show that the centralized ownership construction Obtained through voting right expresses a positive relationship with tax avoidance. Salaries and cash flows are not related to tax avoidance.
