Wal-Mart changes policies after fire

In the aftermath of a deadly blaze in a Bangladeshi factory that made some clothing for Wal-Mart Stores Inc., the retailer is enforcing more stringent standards with its suppliers.

In a letter to suppliers, Wal-Mart said it would adopt a “zero-tolerance” standard beginning March 1 for undisclosed and unauthorized subcontracting. This comes in contrast with its former “three-strikes” policy, which would give suppliers warnings at first, according Wal-Mart spokeswoman Brooke Buchanan.

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