https://www.lexpera.com.tr/resmi-gazete/19-02-1975/15154 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/gelir-vergisi-genel-tebligi-15154-seri-no-118 1975-02-19T00:00:00Z