Gelir Vergisi Kanunu, Article 87Turkish title: İhtiyari toplama ve beyanIn forceLaw No. 193Official textTurkish originalOpen official source ↗Madde 87 – (Mülga: 22/7/1998-4369/82 md.)← Previous articleProvisional Article 86Next article →Provisional Article 87← All articles of Gelir Vergisi Kanunu