Under federal law, income from growing medical marijuana is ill-gotten gain. It is, however, taxable, as is all income. In some states, growing cannabis is legal for medical purposes and in Colorado, it's legal – period.
Boxer Manny Pacquiao had enough troubles holding off the tax authorities in his Filipino homeland. The BIR of the Republic of Philippines said he owed an enormous tax bill relating to income he earned fighting US matches in 2008 and 2009.
The IIRC issued a final framework for integrated reporting in an effort to promote a more cohesive and efficient approach to corporate business reporting as well as to improve the quality of information available to stakeholders.