As a project, for your organisation (or any of your preferred organisation) manage and monitor producing budget requirements, including the following:
Evidence of your financial skills working with budgets and financial planning, including relevant principles and techniques
The key requirements of financial record keeping and auditing, relevant legislation and current requirements of the Australian Taxation Office
Working with and supporting your team, assuming you have a team for the project
Produce a final budget(s) and financial plan which includes recommendations for presenting to the appropriate senior person(s) in your organisation.