li>Career Transition Assistance Program (CTAP)/Interagency Career Transition Assistance Program (ICTAP): If you are claiming CTAP/ICTAP, follow the instructions below: http://www.opm.gov/policy-data-oversight/workforce-restructuring/employee-guide-to-career-transition/ctap_guideline.pdf. Note: Certain exceptions may apply: 1) Individuals employed by the Federal Government as radiologic personnel before January 13, 1986, may qualify based on evidence of current or satisfactory performance, or certification from a licensed practitioner authorized to prescribe radiologic procedures (such as a physician, osteopath, dentist, podiatrist, or chiropractor).