See the explanation of each type of component that is to be used to make up the structure of the sequence number counter.
Each component has a predetermined or maximum length, as follows:
- Constant = 10 characters.
- Year = 1, 2 or 4 characters.
- Month = 2 characters for a number or 3 characters for the English abbreviation of the month.
- Week = 2 characters.
- Day = 1, 2 or 3 characters to represent a day, the day of the month or the day of the year respectively.
- Company = 1 to 5 characters.
- Site = 1 to 3 characters.