BCKEAN5SupplementCode Class Reference
Specialized subclass of BCKCode to represent an EAN-5 Supplement code. EAN-5 supplement codes must:
consist of 5 numeric characters, alpha numeric characters are not supported
use a 0, 1, 3, 4, 5 or 6 as the first character
EAN-5 supplement codes may be used in combination with ISBN barcodes to encode a book’s suggested price.