Pub. L. 90-206, tit. I, sec. 110
special handling service
special handling service Sec. 110. Section 6008 of title 39, United States Code, is amended to read as follows: “§ 6008. Special handling “Upon payment of a special handling fee, third-class mail and fourth-class mail are entitled to the most expeditious handling and transportation practicable, but such mail is not required to receive the same handling and transportation as airmail.”.