The contractor on the construction site pays not the insurance money, but the deposit, which is called the construction labor security fund. In order to prevent the construction enterprise from defaulting on the wages of its employees, the construction unit or enterprise shall extract a certain proportion of the contract price of the construction project and deposit it in the bank account designated by the administrative department of labor and social security. If the construction enterprise defaults or deducts the wages of migrant workers for no reason/0/0 days before the completion acceptance of the project, the wages paid will be returned after the expiration of the wage deposit.