Question

Period of time during which a customer has a specified level of opportunity to make changes.

Short answer

Time fence.

Step-by-step solution

Time Fence

Time fence is a strategy or policy approach that you set up to know when different restrictions or changes in operating the plan of action occur. These are the times when the master scheduler can make alterations or modifications.

 The requirements of the time fence

The main purpose of using thetime fence is to decrease the high-priced disruption to save ground and provider schedules. The goal is to have the production system govern the flow as it is a point in time when different constraints or modifications in operational procedures occur.