Title 39 presents regulations governing the policies and procedures related to international mail, domestic mail, restrictions on private carriage of mail, personnel, postage meters, procurement of property and services for the postal service, applicability of Treasury Department regulations and the disbursement of money orders, and special regulations relating to the environment. Regulations regarding the procedures for claims, damages, and stolen mail; rules of practice regarding mailability; providing/canceling service; and mail disputes are delineated as well. Additions and revisions to this section of the code are posted annually by July. Publication follows within six months.