وَالْخَامِسَةُ أَنَّ لَعْنَتَ اللَّهِ عَلَيْهِ إِنْ كَانَ مِنَ الْكَاذِبِينَ 7
And the fifth (oath) (should be) that they solemnly invoke the curse of Allah on themselves if they tell a lie.