In brief A bill partially amending the Act Against Delay in Payment of Subcontract Proceeds, etc. to Subcontractors (“Subcontract Act”) and the Act on the Promotion of Subcontracting Small and Medium-sized Enterprises (collectively, Amendment to the Subcontract Act, etc.) was passed and enacted in a plenary session of the Japanese House of Councillors on 16 May 2025. The Subcontract Act was enacted to ensure fairness in subcontracting transactions and protect the interests of subcontractors. This…