福利待遇、竞业限制等劳动争议案件上升，最高法发布司法解释—— 劳资双方不缴纳社保的约定，无效！（法治聚焦）

Group 1 - The core viewpoint of the article emphasizes the invalidity of agreements between employers and employees to not pay social insurance fees, reinforcing that such agreements do not hold legal weight and employees can terminate contracts and seek compensation [3][4][6] - The Supreme People's Court's interpretation clarifies that any agreement or promise by an employer or employee to not pay social insurance fees is invalid, and courts will support employees in seeking economic compensation for non-payment [4][6][10] - The article highlights a trend of increasing labor disputes related to welfare benefits, non-compete clauses, and social insurance, indicating a growing need for legal clarity in these areas [1][4] Group 2 - The article discusses a case where an employee, who voluntarily chose not to sign a written labor contract, was denied the right to claim double wages, as the employer was not liable due to the employee's intentional non-compliance [5][6] - It is noted that the interpretation specifies that if an employee intentionally or negligently fails to sign a written labor contract, the employer is not obligated to pay double wages [6][8] - The article also addresses non-compete agreements, stating that such agreements must align with the employee's knowledge of the employer's trade secrets and intellectual property, and any excessive restrictions are deemed invalid [7][8] Group 3 - The article outlines that in cases of subcontracting in the construction industry, the primary contractor remains responsible for paying work-related injury insurance, even if there is no direct labor relationship with the injured worker [9][10] - It emphasizes that the responsibility for labor remuneration and work injury insurance lies with the contractor, regardless of whether the subcontractor has the legal qualifications to operate [10] - The interpretation aims to address common issues in subcontracting practices, ensuring that workers receive timely compensation and protecting their legal rights [10]