How do I change the PORT or ESTIMATED DATE OF ARRIVAL on my ACI eManifest?
If the trip is in an Accepted status:
STEP 1: Send the trip and cargo as DELETE.
STEP 2: Once the trip and cargo turn to CL status (Cancellation Accepted), make the necessary changes, click SAVE 
.
When prompted "Do you want to apply changes to cargo as well" Click "OK"

STEP 3: Send Trip and Cargo as ADD and click Send to Customs button.
If the trip is in Draft status: