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A boxed figure verifying the whole code.
Also known as: Boxed digit container, Verification digit marking
The ISO 6346 marking of a single figure, computed from the letters and digits before it, verifying that the code has been read correctly.
Verifies that a container's identification code has been read or transcribed correctly.
Contexts: Packaging
Is boxed so that a person reading the container knows the digit is not part of the serial number, which is the commonest transcription error the system has to prevent.
Contexts: Packaging
A single digit painted inside a box, set apart from the six digits before it.