If your store sells physical products then there are possibilities of returns and warranty. In that case, Returns and Warranty Request extension will come to rescue. It manages the returns and warranty cases of your store. It creates RMA process and allows the customers to easily return or ask for the warranty from their account dashboard. This plugin also manages the returns and warranty terms on the product page.
This is the EXACT same plugin as distributed by the developer on WooCommerce. The developers’ links are provided above.