For nearly a decade, my fellow tenant and I, both seniors in Palmyra, have received our Pennsylvania rent rebates without issue. We are unrelated, do not cohabit and share no other connection. Our arrangement is simple: we each have separate leases and live like boarding-house residents. In 2017, the Board of Appeals itself reviewed our situation and approved rebates for both of us. This year, the Department of Revenue suddenly denied both appli…