Council of Chalcedon
Council of Chalcedon, Canon I
Definition of faith and received canons; reception qualifications retained; not the full proceedings
Canon I
We have judged it right that the canons of the Holy Fathers made in every synod even until now, should remain in force.
Translation: Henry R. Percival, The Seven Ecumenical Councils, NPNF II.14 (1900), via CCEL.
Source: Council of Chalcedon (CCEL)