Were can the IAC accept known shipper cargo from?

The Indirect Air Carrier (IAC) can accept known shipper cargo from any entity that has been validated and approved as a known shipper by the relevant authorities, typically the Transportation Security Administration (TSA) in the United States. This includes businesses and organizations that meet security requirements and have undergone a vetting process. The cargo must be shipped in compliance with applicable regulations and guidelines to ensure safety and security during transportation.