Is the amount that the contractor will pay to the engineer, in exchange for bringing work to him, considered unlawful if the engineer has no influence on the administration's decision to accept the contractor's offer, and price offers are subject to administrative review?

It is not permissible to take a sum from the contractor without the company's knowledge and consent, because an agent does not have the right to take a commission for his work without the knowledge and consent of the principal. The gift of the handkerchief in Ibn Qudamah's case was due to a sale, thus becoming an increase in the price owned by the owner of the garment.