Local tax ticket classification code for 12 Arabic numerals. Arranged from left to right: the first digit indicates the local tax bureau, the code is 2; the second, third, fourth and fifth digits indicate the administrative area code, 1100 for the Beijing area; the sixth and seventh digits indicate the year of printing of the invoice, such as 05 for 2005; the eighth digit indicates the industry code to which the invoice belongs to 1 indicates the transportation industry; and the remaining number is the information number of the ticket