Group 1 - The article discusses the regulations regarding vehicle and vessel tax in China, specifically addressing the non-refundability of tax for transferred vehicles within the same tax year and the conditions under which new vehicles are taxed [3][4]. - It clarifies that vehicle and vessel tax is calculated monthly but paid annually, with the tax year running from January 1 to December 31 [4]. - The article explains the process for refunding overpaid vehicle and vessel tax, including the necessary documentation and the timeframe for requesting refunds [4]. Group 2 - The article provides information on the basic pension insurance for flexible employment individuals, including the requirement to continue payments until reaching the minimum contribution period of 15 years [11][12]. - It outlines the implications of not meeting the 15-year contribution requirement by retirement age and the need to apply for continued contributions [11]. - The article emphasizes that pension benefits follow the principle of "more contributions lead to more benefits," and discusses the upcoming changes to the minimum contribution period [12].