If you buy social security in your hometown, can you still buy it in other places?

Legal analysis: social security cannot be paid at the same time in my hometown. According to the Opinions on Several Specific Issues Concerning the Transfer and Continuation of the Basic Old-age Insurance for Employees in Urban Enterprises X. If the insured persons with multiple old-age insurance relationships exist in two or more places at the same time or repeatedly pay the basic old-age insurance premium, the social insurance agency in the transferred place shall be responsible for cleaning up according to the provisions in accordance with the principle of "transfer first and then liquidation".

Legal basis: Article 58 of the Social Insurance Law of People's Republic of China (PRC) stipulates that the employer shall apply to the social insurance agency for social insurance registration for employees within 30 days from the date of employment. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration. The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.