Where Budget › Stages button

Steps
- Open the budget.
- Click Stages in the header.
- Choose the frequency: weekly, biweekly, monthly, bimonthly, quarterly or semiannual.
- Check the dates and click Generate.
Site note
Each stage goes through Pending › Current › Approved. There is only one Current; when it is approved, the next one takes over.
The list is at Home › Certifications › Stages.