MS XX07 Series Integration Guide
Linear Security Level 3
Code types other than the following must be successfully read twice before being decoded.
The following codes must be read three times:
MSI Plessey
D 2 of 5
I 2 of 5
Linear Security Level 4
All code types must be successfully read three times before being decoded.
10-26
Code Type
Linear Security Level 3
(03h)
Linear Security Level 4
(04h)
Length
4 or less
8 or less
8 or less