As stated in the Asos Annual report, 2017.
'Strengthening our existing sourcing manual and supply chain policies and standards, and establishing a cross-functional Modern Slavery Group as part of our long-standing ethical trade programme to protect workers against modern slavery within our product supply chains. Our suppliers are obliged to sign up to our policies.' pg 29
'Everyone in our supply chain should be safe at work, financially secure and respected by their employers and fellow workers. To achieve this, we set high ethical standards and assess and support our suppliers to help them meet these standards.'
'Based on the Ethical Trading Initiative (ETI) Base Code and ILO Fundamental Conventions and defines the minimum standards we require from all our suppliers.' Pg 38
'Factory assessments: we carried out 487 audits between September 2016 and July 2017 to check how factories are performing against our standards and to give support where needed. The majority of our audits are unannounced, giving us a more realistic picture of actual working conditions.' Pg 39