If you have an older CLC card like anything before 6300BP4 you need a 675ANnn. Newest is AN13. For a BP4 CLC you need a 675DKnn. Newest is AN13. Different versions for a DMC1-A without a selector and if there’s an “SP” at the end of the number it means special, like job specific generic. You’d have to get that from Vertical Express.