 Despite this, the King appealed to Pope Innocent for help in July, arguing that the charter compromised the Pope's rights as John's feudal lord.As part of the June peace deal, the barons were supposed to surrender London by 15 August, but this they refused to do.Meanwhile, instructions from the Pope arrived in August, written before the peace accord, with the result that papal commissioners excommunicated the rebel barons and suspended Langton from office in early September.