https://www.lexpera.com.tr/resmi-gazete/30-12-1983/18267 monthly 2026-07-17T13:32:45Z https://www.lexpera.com.tr/resmi-gazete/metin/gelir-vergisi-kanununun-13-ve-53-uncu-maddelerinde-yeralan-hasilat-tutarlarina-dair-karar-18267-83 1983-12-30T00:00:00Z