Traditional Culture Encyclopedia - Tourist attractions - How to write the standard group number of a tour group?

How to write the standard group number of a tour group?

Compile group numbers for planned product lines. The group number is the link connecting all work procedures of the travel agency. The group number is arranged according to a certain order and method. The standard group number is: (1) three-digit area code + (2) tourism level + (3) tourism transportation + (4) tour date + (5) number of tours. This method of group numbering is universal around the world. .