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LeanCPM, like legacy CPM, has many date fields for each task, as seen in this guide. The Effective dates are the bottom line; they are the most important dates you share with your subcontractors and clients. All other dates are supplemental information for you as a planner. The Start and Finish, known as the Effective dates, are usually driven by the target dates. If a task is not in a valid dependency path, it will not have target dates.

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Start

When the task’s status is not set to started, finished, or completed, the value start will be set to the target start date (or early start date if not in a valid dependency path). Otherwise, it will be set to the actual start date.

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Finish

When the task’s status is not set to finished or completed, the value finish will be set to the target finish date (or early finish date if not in a valid dependency path). Otherwise, it will be set to the actual finish date.