https://www.lexpera.com.tr/resmi-gazete/10-10-1967/12721 monthly 2026-07-17T13:32:45Z https://www.lexpera.com.tr/resmi-gazete/metin/gelir-vergisi-genel-tebligi-12721-seri-no-85 1967-10-10T00:00:00Z