Defendant Syedna Mufaddal Saifuddin’s counsel referred to another reliable text relied upon by the Dawoodi Bohra community to show that nass, once conferred, could be revoked and changed, and only the last witnessed nass conferred by the Dai was valid if it remained unchanged till the last moment of the Dai’s life.
Read more at Hindustan Times: More texts submitted to prove revocability of nass