The Canons of the Synods of Sardica, Carthage, Constantinople, and Carthage Under St. Cyprian, Which Canons Were Received by the Council in Trullo and Ratified by II. Nice 126Canon CIII.

Of the prayers to be said at the Altar.

This also seemed good, that the prayers which had been approved in synod should be used by all, whether prefaces, commendations, or laying on of the hand, and that others contrary to the faith should not be used by any means, but that those only should be said which had been collected by the learned.