Group 1 - The definition of part-time employment is based on hourly pay, where the average daily working hours do not exceed four hours and the total weekly working hours do not exceed twenty-four hours [2] - Part-time workers can participate in work injury insurance, and if employed at multiple units, each unit must pay for work injury insurance separately [3] - The employer where the worker is injured is responsible for work injury insurance [4] Group 2 - There is no requirement for a written labor contract for part-time employment, but it is recommended to retain relevant documentation of agreements made [5][7] - Payment for part-time work must not be lower than the minimum hourly wage set by the local government, and the payment settlement period must not exceed fifteen days [10] Group 3 - Evidence of employment can include wage payment records, identity documents issued by the employer, recruitment records, attendance records, and testimonies from other workers [13]

Core Points - Shanghai Postal Administration has announced seven initiatives aimed at making the postal and express delivery industry more aligned with the needs of the public by 2025 [3] Group 1: Initiatives Overview - The first initiative aims to consolidate the achievement of 100% express delivery coverage in rural areas, enhancing direct delivery services to households and increasing customer satisfaction [3] - The second initiative focuses on implementing packaging standards to improve the levels of standardization, recycling, reduction, and harmlessness, with a target of 11% for reusable packaging in same-city deliveries and the establishment of six "waste-free" delivery points [3] - The third initiative is to promote the comprehensive application of privacy protection for mail and express delivery, ensuring user information security [3] - The fourth initiative involves organizing vocational skill competitions within the postal industry to enhance the quality of the workforce [3] - The fifth initiative aims to promote a special action for labor contracts in the express delivery sector, ensuring that at least 95% of full-time employees have signed contracts [3] - The sixth initiative seeks to improve service quality in the express delivery sector, aiming for a complaint rate reduction and a 98% response rate from companies within 24 hours [3] - The seventh initiative focuses on enhancing postal service quality, maintaining 100% direct delivery to established villages, and constructing 35 accessible postal service pathways [3] Group 2: Future Directions - The Shanghai Postal Administration will implement the requirements set by the National Postal Administration and local government, emphasizing a people-centered development approach to ensure the effective realization of these initiatives [4]