Swift was appointed by President Ronald Reagan as Judge, United States Tax Court,[2] on August 16, 1983, for a term ending August 15, 1998. He thereafter served as Senior Judge on recall performing judicial duties until reappointed by President Bill Clinton on December 1, 2000, for a term ending November 30, 2015. Swift resumed senior status on September 8, 2008, and retired on January 1, 2016.[3]