54. 2.4.1.1 Past Date PNR XML Code UpdateReservationRQ: solutions > products > more info > past date pnr. All known as “PHASES”. ETR REFUND Refund untuk Electronic Ticket dapat dilakukan melalui system Abacus, tidak perlu melakukan refund secara manual. This will retain PNRs for activities needed over the next 6+ months, depending on the itinerary dates. ... (PNR). Support of multiple OpenReservationElement 2.4.1 Update 1 Listed in âOverviewâ Section Past date PNRs can be updated via UpdateReservation with PNR create date in request. Try looking for your PNR at the branch office.