The main purpose of this legislation is to update the Foreign Service Act of 1980 to ensure that members of the Foreign Service receive financial support when they are required to take leave. This support comes in the form of per diem payments, which help cover daily expenses such as lodging and meals while on leave. The key provision of this legislation specifies that when a member of the Foreign Service is ordered to take leave, they are entitled to receive allowances and benefits similar to those they would receive while on duty.