MANILA, Philippines (AP) — Asia Pacific business leaders are working on recommendations to protect migrant workers from modern day slavery and to ensure companies' supply sources are free from such unethical employment, according to Australia's ambassador for people smuggling and human trafficking.

One idea might be to create a regional website that rates employment recruiters — something already being done in Vietnam, Andrew Goledzinowski said. Another idea could be to designate a common telephone number as a regional hotline, similar to what the sportswear company Adidas provides to its fact...