The following entries can appear in the "comments" section on the visa sticker for C and D visas:

The phrase "cel wydania:" (purpose of issuance) will be followed by the designations:

"01" (visa issued for the purpose of tourism)
"02" (visa issued for the purpose of visit)
"03" (visa issued for the purpose of participation in sport events)
"04" (visa issued for the purpose of running economic activity)
"05" (visa issued for the purpose of carrying out cultural activity or participation in conferences)
"06" (visa issued for the purpose of performance of statutory functions [...]