https://www.lexpera.com.tr/resmi-gazete/26-02-1986/19031 monthly 2026-07-20T07:22:42Z https://www.lexpera.com.tr/resmi-gazete/metin/vergi-usul-kanunu-genel-tebligi-19031-sira-no-172 1986-02-26T00:00:00Z