The Synod of Rome (382) on Jesus being incarnate on earth and also in heaven at the same time

(13.) Anyone who says that the Son, while incarnate on earth, was not in heaven with the Father is a heretic.

 

Heinrich Denzinger, Compendium of Creeds, Definitions, and Declarations on Matters of Faith and Morals, ed. Peter Hünermann, Robert Fastiggi, and Anne Englund Nash (43^rd ed; San Francisco: Ignatius Press, 2012), 68