On September 28, 2017, US Customs and Border Protection (CBP) published a final rule in the Federal Register detailing changes to the in-bond process, which will go into effect on November 27, 2017.
The Federal Register Notice states that “This final rule adopts, with several changes, proposed amendments to U.S. Customs and Border Protection (CBP) regulations regarding changes to the in-bond process published in the Federal Register on February 22, 2012.”The Notice further states that “The changes in this rule, including the automation of the in-bond process, will enhance CBP's ability to regulate and track in-bond merchandise and ensure that in-bond merchandise is properly entered or exported.” One of the key changes is that filers will be required to provide six-digit HTS codes with each in-bond submission.
The notice from the Federal Register may be found here:
https://www.federalregister.gov/documents/2017/09/28/2017-20495/changes-to-the-in-bond-process
The pdf of the changes may be found here:
https://www.gpo.gov/fdsys/pkg/FR-2017-09-28/pdf/2017-20495.pdf