In this question you are being asked to identify whether the company's supplier/vendor policies are based on credible international standards such as the Ethical Trading Initiative Base Code, relevant UN and ILO Conventions, UN Global Compact. Start by searching for published documents which set out the minimum human rights and environmental standards expected by the company for suppliers and/or vendors that states that they are based on international standards and benchmarks.

Documents to look for include:
- Code of conduct
- Terms of engagement
- Supplier guidebook
- Vendor agreements
- Supplier terms of engagement
- Modern Slavery Statement or California Transparency Act disclosure
- Company documents
- Company policies
- Company websites
- Company code of conduct
- Parent company documents (only if the parent company is linked to from the brands website)
- Parent company policies (only if the parent company is linked to from the brands website)
- Parent company websites (only if the parent company is linked to from the brands website)
- Parent company code of conduct (only if the parent company is linked to from the brands website)

Good keywords for your searches include:
- Policies
- Vendors/Suppliers
- Code of Conduct
- Supplier Guidebook
- Modern slavery statement
- Terms of engagement
- International Labour Organisation (ILO)
- The Ethical Trading Initiative (ETI) Base Code
- UN Global Compact
- OECD guidelines

Things to watch out for:
- That the benchmarks referred to are recognised and credible such as; The Ethical Trading Initiative Base Code, United Nations frameworks and conventions, International Labour Organisation’s conventions and recommendations