Certain users are able to change the Ship Date and Carrier from the Shipping->Order Summary screen.
This option is only available for authorized users. If you want to allow a user to change the ship date and carrier, please readSetup Company Users & User Options.
Instructions
In order to change a ship date/carrier, follow the steps below:
In multilocation companies, it is necessary to filter for a a given location to update the ship date and carrier. To update the carrier successfully , the selected orders must match with the location filtered.