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.
What are Tax Exemptions? Tax exemptions come in many forms, but one thing they all have in common is they either reduce or entirely eliminate your obligation to pay tax. Most taxpayers are entitled to an exemption on their tax return that reduces your tax bill in the same way a deduction does. Federal and state governments frequently exempt organizations from income tax entirely when it serves the public, such as with charities and religious organizations.