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.
instructions: indiana general sales tax exemption certificate (form st-105) Registered Indiana retailers and out-of-state businesses may both use a form ST-105 to certify that a purchase of tangible personal property is exempt from collection of state sales tax.