For combustion turbines, this term does not include undertaking such a program or entering into such an obligation more than 18 months prior to the date on which the unit begins operation.
The unit needs to have a lot of planning in it.
mnli hypothesis: The unit needs to have a lot of planning in it. premise: For combustion turbines, this term does not include undertaking such a program or entering into such an obligation more than 18 months prior to the date on which the unit begins operation.