[Office of the State Council: Give full play to the role of central enterprises in timely payment and state-owned enterprises take the lead in clarifying the four key elements of payment in contracts] On September 10, the General Office of the State Council issued the "Notice on Strengthening the Management of Difficulties in Repayment of Small and Medium-sized Enterprises". It mentioned that central and state-owned enterprises should play an exemplary role in timely payment. Central enterprises took the lead in clarifying the four key elements of payment in contracts, taking the lead in implementing various requirements for electronic voucher business and electronic voucher service platform management, using all cash payments for small and medium-sized enterprises, and maintaining a reasonable cash payment ratio for large enterprises. All breaches of contract and arrears will be discovered and paid, and responsibilities will be strictly held accountable in accordance with laws and regulations. If a large enterprise undertakes a central enterprise project and then subcontracts the implementation, the central enterprise shall require the general contractor in the contract to pay the subcontractor in a timely manner and maintain the same cash payment ratio. Embed timely payment requirements into central enterprise compliance management systems. Incorporate the payment of accounts payable, commercial bills and electronic voucher issuance of central enterprises and subsidiaries at all levels into the supervision system, and use the treasury system to implement penetrating supervision. Enterprises supervised by state-owned assets supervision departments in various places shall refer to and implement the above requirements.