Below is a link that will take you to the a document explaining the terms of Purdue University's Federal-Wide Assurance (FWA) with the federal government by which faculty and staff are required to abide. When you sign your human subjects application you are stating that you have received a copy of this document and will abide by all the requirements therein.
http://www.hhs.gov/ohrp/humansubjects/assurance/filasurt.htm
Please note, however, that Purdue University applies the terms of the FWA to all human subject research conducted by University employees, not just federally funded research.
Our Federal-Wide Assurance number is: FWA00001548
Human Research Protection Program
Ernest C. Young Hall
10th Floor, Room 1032
155 S. Grant Street
West Lafayette, IN
47907-2114