[Machine] That Umar ibn Al-Khattab made the revenue equal to one-fifth (khums), and this is a fixed and determined amount that was not reached during the time of Umar.
أَنَّ عُمَرَ بْنَ الْخَطَّابِ ؓ جَعَلَ الْمَعْدِنَ بِمَنْزِلَةِ الرِّكَازِ فِيهِ الْخُمُسُ وَهَذَا مُنْقَطِعٌ مَكْحُولٌ لَمْ يُدْرِكْ زَمَانَ عُمَرَ ؓ