7. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Mu’ammar ibn Khallad who has said the following: “I once asked abu al-Hassan al-Rida’ , about the case of a man who marries a woman in the manner of al-Mut‘ah (advantageous marriage) and then takes her from one town to another town. He (the Imam) said, ‘Another marriage is permissible but this is not permissible/”