- ① Transaction at the KRX petroleum market
- ② Issuance of a “written confirmation of supplies using e-commerce” by e-Commerce System
- ③ Request the Korea Petroleum Quality & Distribution Authority (K-Petro) for confirmation on the products for refund with the written confirmation on supplies using e-commerce attached)
- ④ K-Petro calculates refundable quantity, issues a written confirmation to importers and notifies it to the Korea National Oil Corporation (KNOC)
- ⑤ Importers apply for the refund of import charges to KNOC
- ⑥ KNOC determines the refundable amount and notifies it to the Bank of Korea
- ⑦ The Bank of Korea makes the refund