Rituximab (Rituxan and MabThera) is a drug used to treat rheumatoid arthritis that has not improved with other types of medications, as well as certain forms of vasculitis. It works by turning off a part of the immune system that is not working properly in autoimmune diseases.
For the purpose of this sales tax exemption, âdirectlyâ means having an immediate effect on an item or in an activity, without an intervening, ancillary or prior effect.
The domestic production activities deduction, which went into effect in 2005, is intended to give a tax break to businesses that hire employees to produce goods or engage in certain other manufacturing or production activities within the United States, rather than farming out the work overseas.