Council of Trent: Session XIV, Reformation, Chapter XIV

CHAPTER XIV. That the Mass, Order, and Reformation, shall be next treated of.

The holy Synod declares, moreover, that, in the next Session, which It has already decreed is to beholden on the twenty-fifth day of January, of the ensuing year, MDLII,--It will, together with the sacrifice of the mass, also apply itself to, and treat of the sacrament of order, and that the subject of reformation will be prosecuted.

Translation: J. Waterworth, The Canons and Decrees of the Council of Trent (1848), Hanover Historical Texts Project transcription (1995).