The listed payment structure for 1970 Office Tower is 60/40, with a 10% down payment recorded. The headline ratio indicates that the purchase consideration is divided between earlier payments and a later 40% portion, but the exact instalment dates and payment triggers are not shown in the source data. Buyers should obtain the developer’s official schedule to understand when each amount becomes payable and whether milestones are linked to construction progress or handover. Confirm all fees and the booking process in writing before making a financial commitment.