Internal Revenue Service
The IRS is the U.S. government agency responsible for tax collection and tax law enforcement. Contains downloadable forms, instructions, and agency publications. It also includes "The Digital Daily," an almost-humorous online newspaper. http://www.irs.gov/
American Red Cross
This organization will share your HLA information with the U.S. National Marrow Donor Program if you wish to be considered as a donor. http://www.redcross.org/