Attach Shipment
STEP 1: From the ACE Menu > Complete Manifest, search for your Accepted Trip or Drafted Trip.
STEP 2: Go to section 8-Shipment and click Attach button.
You will be re-directed to another page:
STEP 3: Select the Shipment Control Number that you need to attach.
STEP 4: Once done, you may send it to CBP as ADD.
Detach Shipment
STEP 1: From ACE Menu > Complete Manifest. Search and select an Accepted Trip Number/Manifest.
STEP 2: Cancel the shipment.
STEP 3: Once it is cancelled, select the Shipment Control Number and click Detach button.
