we find this:

150) Taking into account ancient and venerable customs and the wishes expressed by the Synod Fathers, I have asked the competent curial offices to study the possibility of moving the sign of peace to another place, such as before the presentation of the gifts at the altar. To do so would also serve as a significant reminder of the Lord’s insistence that we be reconciled with others before offering our gifts to God (cf. Mt 5:23 ff.); cf. Propositio 23.