According to the authoritative fatwa of the Hanafi school, what is the duration for reciting the Wajib Takbirs of Tashriq?

The Eid Prayers (صلاة العيدين) & Takbirs of Tashriq

• Only nine (9) Fard prayers, ending on the Asr of the 10th of Dhul-Hijjah.
• Exactly twenty-five (25) Fard prayers, starting from the Fajr of the 9th of Dhul-Hijjah until the Asr of the 13th of Dhul-Hijjah.
• Five (5) prayers of the Eid day only.
• Throughout the entire month of Dhul-Hijjah.