-- Manufacturers' facilities must certify compliance with laws and regulations where they operate as well as rigorous social and environmental standards, set by government agencies, beginning with suppliers in China in January 2009 and for all other Wal-Mart suppliers by 2011.

-- By 2012, suppliers must work with Wal-Mart to make a 20 percent improvement in the energy efficiency inside the top 200 factories in China that Wal-Mart directly sources from.

-- Suppliers must create a plan to eliminate, by 2012, defective merchandise reaching the Wal-Mart supply chain.

-- All of Wal-Mart's direct import suppliers, plus all suppliers of private label and non-branded products, must provide the name and location of every factory they use to make the products that they sell to Wal-Mart.

-- And by 2012, all suppliers Wal-Mart buys from directly must source 95 percent of their production from factories that receive the highest ratings on environmental and social practices.