Isn't it a violation of the labor law that the manager of a five-star hotel was demoted and compensated for his work mistakes?

Being demoted with pay without fault has violated the labor contract. Changes to the labor contract shall be agreed by both parties. It is illegal for the company to demote and pay wages without your consent. You can apply for labor arbitration.

Labor law is the general name of legal norms regulating labor relations and other social relations closely related to labor relations. Different countries have different forms of labor laws, but most of them include the following basic contents: labor employment law, labor contract law, working hours and rest time system, labor remuneration, labor safety and hygiene, special protection system for female workers and underage workers, labor discipline and reward and punishment system, social insurance and labor insurance system, employee training system, trade unions and employees' participation in democratic management system, labor dispute handling procedures and supervision and inspection system for the implementation of labor laws. Labor law belongs to the category of civil law at the earliest. /kloc-Since the 20th century, with the development of the industrial revolution, the labor law has played an increasingly important role in the legal systems of various countries, and gradually separated from the civil law and became an independent legal department. 1802, the British parliament passed the world's first labor law, the Apprentice Health and Ethics Law, which prohibited the use of apprentices under the age of 9 in textile mills, stipulated that the working hours should not exceed 12 hours a day, and prohibited night shifts. After the October Revolution, the Soviet government promulgated the world's first socialist labor code in 19 18, and a new Soviet labor code in 1922. As early as 193 1 year1kloc-0/month, the first national congress of China Soviet workers, peasants and soldiers led by China * * * production party passed the China Soviet * * labor law.

After the founding of New China, China has successively enacted a series of labor laws and regulations, such as Labor Insurance Regulations, Labor Security Supervision Regulations, Labor Dispute Mediation and Arbitration Law, Special Provisions on Labor Protection for Female Employees, Labor Law and Labor Contract Law. These laws and regulations, together with relevant judicial interpretations, constitute a broad labor law. The narrow sense of labor law only refers to the Labor Law of People's Republic of China (PRC).