In change projects, structures are often being disabled, and new ones are being created. Top management does not have views on every aspect or detail of operations. Therefore middle and lower management may find many areas that need rules defined. If these rules are not clear, business, departments may not function smoothly.
This is an occasion for you as a Change Leader to use your visioning skills to define and propose new rules to other parties, be it internal or external.
Just see far enough in your vision and proceed in this order:
This is one way as a leader that you can take charge, lessen risk, chaos, and make a difference.