CCC 476 Since the Word became flesh in assuming a true humanity, Christ’s body was finite.1 Therefore the human face of Jesus can be portrayed; at the seventh ecumenical council (Nicaea II in 787) the Church recognized its representation in holy images to be legitimate.2

1 Cf. Council of the Lateran (649): DS 504.
2 Cf. Cal 3:1; cf. Council of Nicaea II (787): DS 600-603.