PROTOCOL - The change is Apple's response to legislation in South Korea that prevents app store operators from forcing developers to use their own in-app payment systems. Now, developers can use alternatives and bypass Apple and Google's 30% commission by accepting money directly from consumers. The law was an amendment to South Korea's Telecommunications Business Act, passed last summer. Apple said developers who choose to use external payment systems won't be able to use features like Ask to Buy or Family Sharing because the company can't validate payments that occur outside the App Store's "private and secure payment system." The company also can't help with refunds, purchase history, subscription management and other issues users may face by using third-party systems.