Group 1 - The new regulations aim to standardize the management of urban and rural residents' basic pension insurance in Shaanxi Province, enhancing service efficiency [1] - Two application methods for residents to enroll in the pension insurance are provided: online through the Shaanxi Social Insurance APP and offline via local service agents [1] - Pension insurance fees are to be paid annually, with participants allowed to choose their payment level according to local regulations, and the tax department will collect these fees [1] Group 2 - The regulations specify that if participants change their household registration during the payment period, their pension insurance relationship must be transferred [2] - For transfers within the province, participants can apply through the Shaanxi Social Insurance APP or in person at local social security institutions [2] - Participants who have already begun receiving pension benefits will not transfer their insurance relationship regardless of household registration changes [2]