Which process ensures that all facts are available when they are required by the programme...

Comprehensive and Detailed Explanation From Exact Extract:

The "Evaluate new information" process is specifically designed to ensure that the programme board and decision-makers are provided with current, accurate, and relevant data in a timely manner. This supports good governance and enables informed decision-making at all stages. According to the MSP Foundation, 5th Edition:

“The purpose of the evaluate new information process is to ensure that the programme board is able to make informed decisions based on reliable and timely information.”

Thus, option C is correct as it aligns precisely with the stated purpose of the process.