Yes, after you have held a Federal aircraft for five years, you must:

(a) Justify owning and operating the aircraft by reviewing your operations and establishing that you have a continuing need for the aircraft, using the procedures required in OMB Circular A-76 and OMB Circular A-11, Part 7, Appendix B, Budgetary treatment of lease-purchases and leases of capital assets; and

(b) Review the continuing need for each of your aircraft and the cost-effectiveness of your aircraft operations as directed by OMB Circulars A-11 and A-76, every five years.