May 19, 2017 Notice to IR Airmen -- Use of online booking tools to rent private residences for short-term lodging restricted Per a memo from the Air Force Accounting and Finance Office, the Joint Travel Regulation (paras. 4130-L; 4130-A4, A5; 2830-G; 4155-A; 4250-B) restricts DoD travelers in the use of online booking tools designed to rent private residences for short-term lodging. This includes AirBnB.