Dealing with a delay in regulatory approval may be delicate, but by using the proper steps, you can keep the damage at bay. This is how I would deal with the issue:
Assess the Situation - Identify the reason and likely duration of the delay and analyze how the project timeline will be impacted.
Communicate Transparently with Stakeholders - Inform stakeholders promptly of the delay, citing the reason, effects, and new timelines if need be.
Update Project Timeline - Revisit the project schedule and re-plan time for the tasks that do not need approval.
Contingency Plan for Mitigating Risk - Make contingency plans for the affected sections and keep non-approval-dependent activities on a high priority.
Update Continuously with Transparency - Report periodically to stakeholders, keeping them informed of the scenario and changes.
Reprioritize and Review Resources - Redirect team efforts toward tasks that can be advanced while awaiting approval so that work is not halted.
Sustain Team Morale and Concentration - Encourage team enthusiasm by noticing and acknowledging less ambitious achievements while spurring sustained performance on stand-alone tasks.
By being proactive, open, and flexible, you can effectively deal with regulatory delays and keep the project moving forward.