"A brief mention, but unclear whether the whistleblowing mechanisms are to be used by victims themselves or internal staff (from the wording it seems like it is directed at internal procedures however):

Visa has other formal policies intended to promote ethical and legally compliant business conduct. Policies contributing to our commitment to prevent violations of human rights such as modern forms of slavery in our business include:

 Discrimination and Harassment Policy

 Health and Safety Policy

 Whistleblower and Non-Retaliation Policy

 Sourcing Policies"

Agree, the language is vague.