https://www.lexpera.com.tr/resmi-gazete/31-03-1984/18358 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/vergi-usul-kanunu-genel-tebligi-18358-sira-no-157 1984-03-31T00:00:00Z