CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF STUDY. Every country in the world tends to generate income through tax administration. In Nigeria the company income tax administration aims and tries to tax each company in the state more effectively. However the level at which the company income tax Administration in Nigeria tend to achieve its desired goals and objectives depends mostly on the tax office and the company that is operating in Abia state. For the tax Administration in Nigeria to be effective the aspect of the companies been taxed should be considered adequately and more accurately so that the company would provide reliable financial performance information for assessment. In which the federal government derives its income. Due to the ever changing tax administration policies in the country and modifications in the aspect of taxation in Nigeria some companies want to stay afloat and employ all kind of strategies that benefits them. Some of them evade tax and some avoid tax. When tax in Nigeria is paid by the various companies operating in the state the revenue collected are used to provide utility services and providing additional government services such as in education and transport which are of great importance to the growth of the economy of the state and to the country.