I just found this: https://help.uber.com/ubereats/article/我會收到什麼發票?nodeId=d83a7d6e-b0b1-49bc-a318-f0e9c25dbcb6
According to Google Translate, there will be a separate invoice for the delivery fee now and the restaurant might eater supply their own invoice or task UberEats to do that:
Effective February 1, 2021, Uber Eats has been converted into a domestic company. According to Taiwan’s laws and regulations, the delivery platform operator and the merchant partner’s cooperation model (depending on the individual contract) will issue sales vouchers in the following two ways; for the merchandise cost part, merchant partners who are approved to be exempt from uniform invoices may be issued Ordinary receipt, otherwise an invoice should be issued in accordance with laws and regulations. Freight (delivery fee) or fees charged by other platforms to consumers (such as subscription fee for preferential schemes) will be invoiced to consumers by the delivery platform.
When a consumer, that is, you, complete an order on the Uber Eats platform, you may receive two types of invoices: “Delivery Fee Invoice” and “Product Cost Invoice”. **Delivery fee invoice: Uber Eats will issue a unified invoice for the delivery fee to consumers in accordance with Taiwanese regulations. The system will send an electronic unified invoice to your registered e-mail within 24-48 hours after the order is completed. (Note: If an order with a delivery fee of $0 is caused due to a discount activity or a preferential meal plan/dual enjoyment plan, no delivery fee invoice will be issued.) **Commodity fee invoice: The product you ordered is from a partner merchant Provided by partners. You will be able to view the form of invoices issued by restaurants or businesses at the bottom of the menu or in the description field of each item. The following are the four types of invoices issued by merchants: 1) This store is exempt from issuing unified invoices: Merchants do not need to issue invoices for goods, and you will not receive invoices for goods costs. 2) Paper invoices issued by this store: issued by the merchant The paper invoice of the product cost should be delivered to you together with the product you ordered. 3) The store entrusts the platform to issue an electronic meal invoice to the platform carrier: the merchant entrusts Uber Eats to issue the electronic invoice of the product cost. After the order is completed, the system The electronic unified invoice will be sent within 24-48 hours after the order is completed. 4) The store will issue an electronic invoice for the meal to the platform carrier: the electronic invoice for the product cost is issued by the merchant. After the order is completed, the system will be 24-48 after the order is completed. Send an electronic unified invoice within 48 hours
Maybe they haven’t started supporting local eGUI invoices yet after the change?