As I post this, several days after your question, and with hundreds of posts up, I see no responses listed under your replies. I'm sure someone besides me must have spotted this, and maybe they replied, but I don't see it.
The article states in part:
Fifth, the voucher recipients sold the vouchers to oil traders, who then collected the oil against the vouchers from the Kirkuk-Banias (Syria) pipeline terminal, which was operating in contravention of the Security Council sanctions. The pipeline carried 200,000 barrels per day of Iraqi oil, which benefited Syria greatly.