On NEC4, many CE disputes are decided by process rather than merit. The NEC4 compensation event time bar is the main risk point, and it is driven by timing and evidence, not how strong your narrative feels. Clauses 61 and 62 control that process. Clause 61 is about getting the CE into the system on time. Clause 62 is about turning it into a priced and time-assessed decision, and stopping it from drifting. This article gives a workflow you can run on live projects with a simpl