By Kang Yoon-seung
SEOUL, Sept. 11 (Yonhap) -- South Korea filed a complaint with the World Trade Organization (WTO) on Wednesday over Japan's export curbs, upping the stakes in the unprecedented trade row between the two Asian neighbors.
The move came more than two months after Tokyo started restrictions of exporting three key industrial materials to Seoul, which are essential for the production of chips and displays, potentially dealing a harsh blow to Seoul's backbone technology industry.
"South Korea decided to file a complaint with the WTO on Japan's export curbs against the three vital materials for chips and displays," Trade Minister Yoo Myung-hee said during a press meeting.
"(Japan's) measure is a discriminatory act directly targeting South Korea, and it was politically motivated following our court rulings on the forced labor (of Korean workers during Japan's colonial rule)," she added.
Tokyo's abrupt step is widely seen as a retaliation against last year's Supreme Court rulings ordering Japanese firms to compensate Korean victims of forced labor during Japan's 1910-45 brutal colonial rule of the Korean Peninsula.
Japan claims that all compensation was settled when the two countries normalized their diplomatic ties in 1965, although the court ruled that individual rights to seek compensation are still valid.
Despite strong protest from South Korea, Japan officially removed Asia's No. 4 economy from its list of nations given preferential trading terms on Aug. 28, a move that subjects more than 1,000 industrial materials to tougher export regulations.
Although Japan cited South Korea's alleged lax control of sensitive materials potentially diverted for military use, it has not yet provided concrete evidence behind the allegations despite the repeated requests from Seoul.
South Korea has been warning Japan of filing a complaint with the WTO shortly after Tokyo implemented the export curbs against the three materials in July, claiming the Japanese government has violated the article 11 of the General Agreement on Tariffs and Trade (GATT), which bans regulations on export volumes unless the products have a serious impact on national security.
"Japan also violated its duty to run consistent, fair and reasonable trade rules by regulating trades for political reasons," Yoo added.
With the WTO complaint, South Korea and Japan have to hold bilateral talks to resolve the issue. If the two fail to narrow differences, the WTO Dispute Settlement Body will establish a panel to look deeper into the case.
South Korea is also expected to drop Japan from its list of favored trade partners next week at the earliest.
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