What is a process in which a neutral party collects information about a dispute and provides a report to the disputing parties?

The process you are referring to is called "mediation" or "fact-finding." In this process, a neutral third party gathers relevant information from both sides involved in a dispute and assesses the situation. The neutral party then prepares a report that outlines the findings, which can help the disputing parties understand the issues better and potentially reach a resolution. This method is often used to facilitate communication and negotiation between the parties.