To address ongoing aviation security threats, CBP intends to amend its regulations pertaining to the submission of advance air cargo data to implement a mandatory Air Cargo Advance Screening (ACAS) Program for any inbound aircraft required to make entry under the CBP regulations that will have commercial cargo aboard. The ACAS Program will require the inbound carrier or other eligible party to electronically transmit specified advance cargo data (ACAS data) to CBP for air cargo transported onboard U.S.-bound aircraft as early as practicable, but no later than prior to loading of the cargo onto the aircraft. The ACAS Program will enhance the security of the aircraft and passengers on U.S.-bound flights by enabling CBP to perform targeted risk assessments on the air cargo prior to the aircraft’s departure for the United States. These risk assessments will identify and prevent high-risk air cargo from being loaded on the aircraft that could pose a risk to the aircraft during flight.