1988年3月30日邮政总局(1988)邮政字40号文件《关于扩大邮政快件开办范围的通知》: “如果寄件人对非开办快件的市县要求使用一段快件的,可予以收寄。但应向寄件人说明时间需顺延。在收寄处理时,应在快件封面上寄达市县名称下面画‘-’符号,以示应寄件人要求而办”。此通知于1988年5月1日实施。依此文件快件爱好 March 30, 1988 General Post Office (1988) Postal Document No. 40, Circular on Enlarging the Scope of Postal Express Mail Openings: “If the sender requests for the use of a quick mail at a city or county that does not handle the express mail, he can accept it. However, the sender should be informed that the time needs to be postponed, and at the time of receipt and handling, a ”-" sign below the name of the city and county should be printed on the cover of the express mail, indicating that the sender’s request should be fulfilled. This notice was implemented on May 1, 1988. According to this file express mail hobby