On November 6, 2012, U.S. Customs and Border Protection published CSMS #12-000493 announcing that the necessary changes for the Harmonized Tariff Schedule (HTS) in order to implement the U.S.-Panama Trade Promotion Agreement (TPA) were completed on November 5, 2012.

The HTS update contains 120,404 harmonized tariff records and 23,570 ABI records. Although the trade agreement entered into force on October 31, the trade was unable to file claims electronically in the Automated Commercial System (ACS) or Automated Commercial Environment (ACE) until the required system changes were completed.

CSMS #12-000429, issued on October 23, 2012, includes all the system requirements for this update. According to this message, claims under the Panama TPA are exempt from Merchandise Processing Fees (MPF). The CSMS also states that, as the U.S.-Panama Trade Promotion Agreement has gone into effect, Panama is no longer eligible for the Generalized System of Preferences (GSP), the Caribbean Basin Economy Recovery Act (CBERA), or Caribbean Basin Trade and Partnership Act (CBTPA)  benefits.

Quota tariff numbers mentioned on CSMS #12-000429 are:
9822.09.17 – 9822.09.20
9919.02.01
9919.04.10 – 9919.04.12
9919.04.40 – 9919.04.41
9919.04.50 – 9919.04.58
9919.21.10 – 9919.21.11