"We respect the rights of workers in our supply chain and require brand partners for both our private brands and national brands to operate ethically, with respect for the human rights of their workers, and with regard for their environmental impact. Our Vendor and Supplier Code of Conduct outlines our minimum standards shared with all our suppliers. Macy’s, Inc. is also a signatory of the Commitment to Responsible Recruitment — an effort to address potential forced labor risks for migrant workers in the global supply chain." on webpage

Again, this would mean the screen every supplier before hand