The amendment would prevent the U.S.Export-Import Bank from entering into any deals with foreign companies that significantly contribute to Iran's refined petroleum resources, part of efforts to pressure Iran to stop its uranium enrichment program.
VOA: standard.2009.06.23
The sanctions imposed on PDVSA only prohibit the company from obtaining either a U.S. export visa or money from the U.S. Import-Export Bank, as well as banning them from attempting to obtain U.S. procurement contracts.
Similarly, retail industry leaders like Wal-Mart are typically adept at handling crises involving their supply chains, from problems related to domestic business partners toimport and export issues triggered in China or other geographies.