this invoice is called "catering invoice" or "meal invoice".

A meal invoice issued by a travel agency is usually called "meal invoice" or "meal invoice". This kind of invoice is a kind of charge voucher issued by the travel agency to customers in accordance with the provisions of national tax laws and regulations when providing catering services.

Financially, the meal invoices issued by travel agencies are usually classified as a kind of "service industry invoices", and catering services belong to the category of service industry. The invoice usually lists the date, place, consumption amount, tax amount and payment method of catering service.