To donate, send a check to Hoosiers for Mourdock PO Box 1583 Indianapolis, IN 46206. Contributions are not tax deductible for federal income tax purposes. Individuals may contribute a maximum of $5,000 - $2,500 for the Primary election and $2,500 for the General election. Multi-candidate PACs may give a maximum of $10,000 - $5,000 for the Primary election and $5,000 for the General election. All contributions are subject to limitations and regulations set by the Federal Election Commission.