Gemara:

Ketuvot 

Halacha:

Birchas Kohanim,  Tefillah 

Collections: R' Grunstein Friday Night Controversies

Description

Perhaps not having INTENT to fulfill the Mitzva of "duchening" will essentially help override this "prohibition" of a Non-Kohen blessing his fellow Jew: באור הלכה [קכח/א ד"ה "דזר עובר בעשה"] -יש ראיה ממנהג העולם להא דקי"ל "מצות צריכות כונה".