There are some hidden secrets in the GS1 Digital Link specifications.
One is the order of the Identifiers.
Example: Function SnapLED cabinet light with caster wheel 4x1.5AAA - by Paulmann
This info is shown under the button “Product information”
Customer Product Variant (/22/)
Batch/Lot (/10//
Serial number (/21/)
Shall be used in this order:
GTIN (01), CPV (22), Batch (10), Serial (21)