Method 1: Take it according to the provisions of the tender documents;

Method 2: If the tender documents are not clear, all three items should be counted, but they should be listed separately, because social security fees cannot be settled directly by both parties, and housing provident fund and accident insurance can be settled directly by both parties.

The social security fee of construction project is an integral part of the project cost, and it is the social security fee paid by enterprises for employees such as endowment insurance, medical insurance, unemployment insurance, work injury insurance and maternity insurance. It is an expense in the composition of project cost, and it is an uncompetitive expense.

The social security fee for the construction project shall be paid by the construction unit at the rate specified in the project cost before the project starts, and shall not be reduced or exempted. The specific procedures are as follows:

(1) The construction unit carries the bid-winning notice and the bidding budget to the corresponding collection point of the municipal engineering social security fee collection management office to calculate the payable amount and receive the bank bill.

(2) The construction unit shall directly handle the transfer formalities with its bank.

(3) After the social insurance premium for construction projects arrives, the construction unit will take the bank bill receipt to the corresponding collection point of the municipal social insurance premium collection and management office in exchange for the advance receipt of social insurance premium for construction projects and the Payment Voucher for Social Insurance Premium for Construction Projects (as a voucher for handling the construction permit).

The social security fee for construction projects shall be settled and used by the general contracting enterprise in the following order within the amount of social security fee collection for each project on the basis of the Nanjing Social Security Fee Settlement Voucher, the Social Security Fee Prepayment Receipt for the Fourth Construction Project and the Social Security Fee Prepayment Settlement Form for Construction Project stamped by the financial department of the construction unit.

(1) When the project starts, the medical insurance premium for work-related injury and serious illness of the project construction personnel (migrant workers) shall be paid directly by the tax collection agency and remitted to the special account of the municipal social insurance fund;

(2) During the construction period, if the construction enterprise handles social insurance for all kinds of employees involved in the project construction through other channels, it can apply for settlement with the social insurance registration certificate, and allocate funds to the construction enterprise according to a certain proportion according to the real-name system management;

(3) After the completion and acceptance of the project, the balance of the above-mentioned social insurance fees and the current interest of the bank shall be allocated to the construction enterprise by the collection and management agency in one lump sum.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.