【收藏】早参保、晚退保不用慌，一文带您了解社保费退费！

Group 1 - The article discusses the online channels available for applying for social insurance fee refunds, specifically through the electronic tax bureau and social insurance fee client [1] - It outlines the appropriate reason for applying for refunds due to overpayment caused by early enrollment or failure to timely transfer employee enrollment [1] - Required documents for the refund application include a PDF format scanned copy of the refund application letter with the company seal, detailing the reason for the refund and the relevant period [1] Group 2 - The article specifies which departments are responsible for refunding different types of social insurance fees: the Social Insurance Center for pension and work injury insurance, the Medical Insurance Center for medical insurance, and the Employment Center for unemployment insurance [2] - It provides guidance on what to do if a refund application is rejected, suggesting to resubmit after correcting any missing documents or inaccuracies in the application type [2]