Legal basis: Article 12 of the Regulations on the Management of Housing Provident Fund, the Housing Provident Fund Management Committee shall, in accordance with the relevant provisions of the People's Bank of China, designate commercial banks entrusted with the financial business of housing provident fund (hereinafter referred to as the entrusted banks); The housing provident fund management center shall entrust the entrusted bank to handle financial services such as housing provident fund loans and settlement, as well as the establishment, deposit and return procedures of housing provident fund accounts. The housing provident fund management center shall sign an entrustment contract with the entrusted bank.