劳动合同分几种？必备条款有哪些？签订须知来了

Group 1 - The article discusses the establishment of labor relations between employers and employees, emphasizing the necessity of a written labor contract from the start of employment [3][14]. - There are three types of labor contracts: fixed-term labor contracts, indefinite-term labor contracts, and contracts based on the completion of specific tasks [3][8]. Group 2 - A fixed-term labor contract is defined as one where the employer and employee agree on a specific termination date [4]. - An indefinite-term labor contract is one without a predetermined end date, which can be established under certain conditions, such as the employee working continuously for ten years [5]. Group 3 - The Labor Contract Law states that if an employer does not sign a written labor contract within one year of employment, it is considered that an indefinite-term labor contract has been established [6]. - Contracts based on the completion of specific tasks can also be agreed upon by both parties [8]. Group 4 - Essential clauses in a labor contract include the names and addresses of both parties, contract duration, job responsibilities, working hours, remuneration, social insurance, and other legally required matters [10]. - The article advises careful review of contract terms to ensure clarity and avoid unreasonable clauses [10].