Whatever the structure of the tax system, degree of taxation or the number of compulsory levies, the companies have to make an analysis of tax parameter influence on their activities and, thus, on their treasury. Thus, on the one hand, it is necessary to correctly sizing a tax liability that generates negative flows. On the other hand, requires more and more use fiscal methods and techniques so that the benefits to be realized in a positive treasury. A sound fiscal management can become a key variable in the financial strategy of the company. The paper is treated issues need administration of the tax burden in line with the overall objectives concerned, its impact on cash balance and fiscal policies to achieve optimal tax management objectives