Milestone-based billing is the billing model common in companies with the project-driven revenues. This type of billing typically occurs only as certain project milestones have been attained. Tracking the milestones using the project gantt chart makes it just as easy to track the billing invoices for the project in the same way as the actual deliverable milestones of the project.
Alternatively, depending on how the payment milestones for your projects are structured, you can bill your clients on specific dates regardless of your project’s progress. This too can be achieved using the milestone-based billing techniques suggested in this manual.
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