To apply for departure tax refund in Shanghai, purchases must be made within 17 days before departure, with a single-day spend of at least RMB 500 at the same store. Process: ① Obtain a tax refund form and invoice from the store; ② Present unused items for customs verification and stamping when departing; ③ Claim cash or transfer at the tax refund counter in the airport’s restricted area. Opt for "instant tax refund" pilot stores (e.g., Plaza 66, Qiantan Taikang Li) for upfront tax advance. Eligible stores include international brands and major malls in commercial areas like Nanjing Road and Huaihai Road. For full-process assistance or store inquiries, contact service@intotravelchina.com for real-time tax refund guides and customized support.