I don't know why, but it seems the numbers are different in the US/Canada to the UK.
The UK 3062 Clear Matte is 3031 in the US, and the UK 3044 Raw seems to be 3051 in the US.
Maybe the formulations are slightly different due to legislation in the respective countries? It might be worth reaching out to Osmo for clarification, but I would guess they'd result in the same finishes. https://osmocolorusa.com/contact/