5. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from those whom he has mentioned who has said the following: “I once asked abu al-Hassan , about a man for al-Tamattu‘ (advantageous), saying , ‘I pray to Allah to keep my soul in service for your cause, if he can visit the House, perform Tawaf of al-Hajj, then Tawaf al-Nisa’, then Sa‘y between al-Safa’ and al-Marwah. He (the Imam) said, ‘Sa‘y between al-Safa’ and al-Marwah is not obligatory except before Tawaf al-Nisa I then asked, ’Does he owe anything upon him because of this?’ He (the Imam) said, ‘The Sa‘y between al-Safa’ and al- Marwah is not obligatory except before Tawaf al-Nisa”