Even though invoice etc have been issued to whichever party, it can always be amended or CN / DN can be issued.
We have granted additional days for commercial reasons to shipper and we hope to maintain the relationship with them for this business. Thus please contact Nestle and inform that we have granted additional 3 days demurrage for this shipment. You can issue them CN for the invoice already issued.
At the same time billing team to will issue CN to your side.
For your necessary actions.