what means No collecting socities ?

Mark this checkbox if you are not in agreement with any collecting socities.

To be honest - only the few shops has this parameter in delivery packages, so, some mechanins may have place even if this checkbox is marked.

Please don't forget - the rules for collecting mechanics for collecting socities depends of a country - some countries laws consider all artists are the members of author socity if not abandoned this explicitly - so, mechancs will be dedicted even this box is checked

on the other hand - you are fully responseable for decision check on uncheck this box.