From the "law comments section" for the Czech Small Arms SA vz.61 Combat FRT entry...
"- the firearm known as the Czech Small Arms, manufactured Sa VZ.61 Combat is a similar firearm to the Model referenced in PFR, Part 1, para 40. However, PFR, Part 1, para 40 refers to the "pistol" version of the Skorpion whereas the model in this record is the semi-automatic, commercial version (C/V) of the submachine gun (full automatic) Skorpion VZ. 61 and therefore should not be linked to PFR, Part 1, para 40."