QUESTION

A kohen who suffered a stroke several years ago and currently has injuries affecting his right arm and leg is staying temporarily at a rehabilitation facility that serves assisted-living, nursing-care, and independent-living residents. He has been attending the facility’s minyan for the past couple of weeks and would like to duchen—recite the priestly blessing—on Yom Tov. He has continued to duchen at his regular synagogue since his stroke.

How do we determine whether a community is considered “accustomed to” a kohen with a mum—a physical blemish or impairment? In this case, he