CIPS Exam L3M3 Topic 1 Question 15 Discussion

Periodic progress reports may be required by a contract manager. Part of this could include reporting actual progress against planned progress. In many cases, achievement of planned stages would result in (part-) payment(s) being released to the contractor. Which one of the following terms might be the most appropriate title for a plan underpinning this approach, to ensure value for money, and payment linked to actual progress?