Nicene and Post-Nicene Fathers, Ser. II, Vol. XIV:
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.: Canon XXXIV

Canon XXXIV.  (Greek xxxvii.)

That nothing of those things enacted in the Synod of Hippo is to be corrected.

Bishop Epigonius said:  In this summary (Breviarium) which was adopted at the Synod of Hippo, we think nothing should be amended, nor anything added thereto except that the day on which the holy Feast of Easter falls should be announced in Synod.

Notes.

Ancient Epitome of Canon XXXIV.

Nothing is to be corrected in the synod of Hippo, nor anything added thereto, except that the time of celebrating Easter should be announced in time of synod.

The first of these introductions is that of the Synod of Hippo in a.d. 393; the next that of Carthage in a.d. 394, and the third that of the same place, held August 28th, a.d. 397.

This canon (number xxxiv. of the code) is the beginning of Canon v. of the last named Synod.

Johnson.

See Canons 51 and 73.