Apple Inc. on Friday rejected US game maker Epic Games Inc.'s request that its hit title "Fortnite" be rereleased in South Korea in a case that highlights a tug-of-war over lucrative payment systems on the app market.

The video game maker earlier tweeted that it asked Apple to restore its "Fortnite" developer account and that it plans to relaunch the game on Apple's mobile operating system in the country in light of a new legislation that effectively allows alternative in-app payment systems on app stores.

Epic's "Fortnite" was removed from Apple's App Store last year after the game maker introduced its own direct payment system to circumvent Apple's commissions.

Apple, however, said Epic still needs to follow its rules to be reinstated.

"As we've said all along, we would welcome Epic's return to the App Store if they agree to play by the same rules as everyone else," Apple said in a statement. "Epic has admitted to breach of contract and as of now, there's no legitimate basis for the reinstatement of their developer account."

According to Apple, Epic has refused to comply with its app store review guidelines. The iPhone maker also maintains that the new law in South Korea, which is expected to take effect sometime next week, would not obligate Apple to approve any developer account.

Epic, currently embroiled in a legal battle with Apple over app store operations in the US, made the request after South Korea's parliament passed late last month the revised Telecommunications Business Act, which bars app market operators from forcing certain payment systems on app developers as well as unfairly delaying review of mobile content.

The legislation, the first of its kind globally, takes aim at app store giants Apple and Google, who have forced developers to use their proprietary payment systems that take up to 30 percent in commission for digital goods purchases.

It remains unclear how the law will be enforced when it goes into effect. Han Sang-hyuk, the country's top telecommunications regulator, said after the bill's passage that he would work with other government agencies to resolve any regulatory blind spots of the new law. (Yonhap)