Possible Clues:

• Arabic term, origin 'decide a point of law'
• Judgement, substantial, was cut short
• Authoritative ruling from soccer body that wants active leaders
• Decree from football body leads to this whole argument
• An edict in sharia law
• Judgment carrying a lot of weight shortened conflict
• Ruling on Islamic law
• Ruling in Islamic law, such as that pronounced against Salman Rushdie
• Stout wife initially accepting Muslim decree
• Ruling on a point of Islamic law by a recognised authority