Disclaimer: You must be a U.S. citizen or permanent resident to contribute to RheumPAC. All contributions are voluntary and must be made using personal, noncorporate funds. RheumPAC contributions are not tax deductible. Federal law requires RheumPAC to collect and report the name, mailing address, occupation, and employer of individuals whose contribution exceeds $200 in a calendar year.ysiol Ther. 1991;14:409-415.