Walmart has spent more than $141m on ethics and compliance systems since 2013, to manage and track efforts that include appointing over 2,300 ethics and compliance professionals, ensuring compliance is up-to-date and accurate, and creating a board-level Global Ethics, Compliance & Risk Committee, the company recently announced.

The National Retail Federation recently welcomed renewed efforts in Congress to require online sellers to collect sales tax the same as local stores.

Dozens of global clothing companies are not complying with a plan to ensure better safety in Bangladesh garment factories following the deadly collapse of a building four years ago, a rights group says.