How to transfer the social security of foreign provinces to Shanghai, what formalities need to be carried out?

Transfer of social security across the province for the process: (1) the insured person in the new place of employment in accordance with the provisions of the establishment of the basic pension insurance relationship and payment of contributions, by the employer or the insured person to the new place of social security agencies to submit a written application for the transfer of the basic pension insurance relationship. (2) Within 15 working days, the social security agency of the new insured place will examine the application for transfer and continuity, and if it meets the conditions stipulated in these Measures, it will issue a letter of acceptance to the social security agency of the place where the insured person's original basic old-age insurance relationship is located and provide the relevant information; if it doesn't meet the conditions for transfer and continuity, it will make a written explanation to the applying unit or the insured person. (3) The social security agency in the place where the original basic pension insurance relationship is located will, within 15 working days of receiving the letter of acceptance, handle the procedures for the transfer and continuity. (4) After receiving the transfer of the basic pension insurance relationship and funds from the social security agency in the place where the original basic pension insurance relationship of the insured person is located, the agency in the new place of participation shall complete the relevant procedures within 15 working days and notify the employer or the insured person of the confirmation in a timely manner.