Правило 52
About the days of celebrating the Liturgy of the Presanctified Gifts during Great Lent.
On all days of the fast of the Holy Pentecost, except Saturday, Sunday and the holy day of the Annunciation, let the sacred Liturgy of the Presanctified Gifts be celebrated.
Greek original
Ἐν πάσαις ταῖς τῆς ἁγίας Τεσσαρακοστῆς τῶν νηστειῶν ἡμέραις, παρεκτὸς σαββάτου, καὶ Κυριακῆς, καὶ τῆς ἁγίας τοῦ Εὐαγγελισμοῦ ἡμέρας, γινέσθω ἡ τῶν προηγιασμένων ἱερὰ λειτουργία.
Parallel canons
Ап.6669Лаод.49505152