In the US, there is no one national law in regards to returns/refunds for purchases made online as in most cases, this is implemented on a state-by-state basis, however, under several state-laws, if no refund or return notice was made visible to consumers before purchase, consumers are automatically granted extended return/refund rights. In cases where the item purchased is defective, an implied warranty may apply in lieu of a written warranty

In the US, there is no single comprehensive national body of data regulations; there are, however, various laws on a state level as well as industry guidelines and specific federal laws in place. Since online site/app activity is rarely limited to just one state, it’s always best to adhere to the strictest applicable regulations.