What law does the travel agency violate to collect fees in disorder?

The provisions of Article 39, Paragraph 2, Item 2 of the Detailed Rules for the Implementation of the Travel Agency Regulations. According to the law, the unreasonable charges of travel agencies violate the provisions of Article 39, Paragraph 2, Item 2 of the Detailed Rules for the Implementation of Travel Agency Regulations, and travel agencies should refund this part of the fees to consumers. According to the definition of the World Tourism Organization, a travel agency is "a retail organization that provides the public with information about possible travel, accommodation and related services, including service fees and conditions.