For example, 8 refers to the year of opening PO 2008 if, after a year's use of two numbers.1 is the number of the new sequence is started PO every year.
For example, 08 refers to the year 2008. If the Open PO next year to No. 2 after the year is 00,001 a sequence number of the PO will begin a new series every year.
For example 08 mean, year opened PO years 2008 if next year to use the number 2 back of the year, a number of 00001 sequence leaves. PO by new sequence begins every year .