nbn observes the caretaker conventions related to the upcoming Federal Election. During the Caretaker Period, nbn will apply these conventions while continuing the business-as-usual operations of the company.
If a developer agreement is executed, is there a contractual obligation to apply for nbn™ network infrastructure for the total number of remaining premises listed on the developer agreement?
No, application for each stage is at your discretion. Each stage of the development should be submitted as an additional stage application and acceptance of your application depends on whether it meets nbn's requirements under the developer agreement.