The funds collected are essential for the shaping and preservation of a free market economy. Some terms are essential in understanding income tax law. These terms are not fixed nor should anyone be confident in understanding their true meaning after a cursory reading because their imputed definitions change with time. The Supreme Court, through case law, demonstrates the changing meaning of taxable income. Individuals are not the only ones required to file income tax returns.
Corporations do as well.
While they are subject to may of the same rles as are individual taxpayers, they are also covered by an intricate body of rules addressed to the peculiar problems of corporations.