updated over 6 years ago by Hannah Drewett
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http://s2.q4cdn.com/702269136/files/doc_downloads/2017/image2017-09-26-071831-(1).pdf
In this signed version of the report, which is linked above, the directors approval is explicit and is linked through the cited unsigned version on the website.
"Solely for the purposes of compliance with the U.K. Modern Slavery Act, this statement has been approved by the Michael Kors (UK) Limited"