So Mu'awiya wrote all that with his own writing and stamped...

So Mu'awiya wrote all that with his own writing and stamped them with his own stamp, confirmed them with certain covenants and strong oath, and made all the leaders of the Syrians bear witness for that. Then he handed them (i.e., the conditions) to 'Abd Allah b. 'Amir to send them to al-Hasan." [1] Historians other than b. Qutayba al-Dinawari have mentioned the form of the text which Mu'awiya wrote at the end of the Peace Treaty. In the meantime Mu'awiya made a covenant with Allah…