; (B) result in substantial job loss in the United States; or (C) harm the environment. (c) Preference in Federal contracting for not relocating a call center overseas The head of an agency, when awarding a civilian or defense-related contract, shall give preference to a United States employer that does not appear on the list required by subsection (a)(2)(A). (d) Effective date This section shall take effect on the date that is 1 year after the date of the enactment of this Act. 4. Rule of construction related to Federal benefits for workers No provision of section 3 shall be construed to permit withholding or denial of payments, compensation, or benefits under any provision of Federal law (including Federal unemployment compensation, disability payments, or worker retraining or readjustment funds) to workers employed by employers that relocate operations outside the United States. 5. Required disclosure by business entities engaged in customer service communications of physical location (a) In general Except as provided in subsection (b), a business entity that either initiates or receives a customer service communication shall require that each of its employees or agents participating in the communication disclose their physical location at the beginning of each customer service communication so initiated or received. (b) Exceptions (1) Business entities located in the United States The requirements of subsection (a) shall not apply to a customer service communication involving a business entity if all of the employees or agents of the business entity participating in such communication are physically located in the United States. (2) Communication initiated by consumer knowingly to foreign entity or address The requirements of subsection (a) shall not apply to an employee or agent of a business entity participating in a customer service communication with a consumer if— (A) the customer service communication was initiated by the consumer