56 生產力局 獨立核數師報告及財務報告 HKPC INDEPENDENT AUDITOR’S REPORT AND FINANCIAL STATEMENTS 2022-23 26. FINANCIAL RISK MANAGEMENT AND FAIR VALUE (continued) (a) Credit risk (continued) * For accounts receivable and contract assets to which the Council applies the simplified approach for impairment, information based on the provision matrix is disclosed in note 9. ** The credit quality of the financial assets included in other current assets are considered to be “normal” when they are not past due and there is no information indicating that the financial assets had a significant increase in credit risk since initial recognition. As at 31 March 2023, 46% (2022: 50%) of the total accounts receivable was due from the Council’s five largest customers. As at 31 March 2023, 68% (2022: 70%) of the total contract assets related to the Council’s five largest customers. Further quantitative disclosures in respect of the Council 's exposure to credit risk arising from accounts receivable are set out in note 9. (b) Liquidity risk The Group’s policy is to regularly monitor its liquidity requirements to ensure that it maintains sufficient reserves of cash to satisfy its contractual and reasonably foreseeable obligations as they fall due. The following table details the remaining contractual maturities at the end of the reporting period of the non-derivative financial liabilities, which are based on the contractual undiscounted cash flows (including interest payments computed using contractual rates or, if floating, based on rates current at the reporting date) and the earliest date the Group and the Council can be required to pay. 26. 金融風險管理及公允價值（續） (a) 信貸風險（續） * 就生產力局應用減值簡化法的應收賬款和合約資產而 言，以撥備矩陣為基礎的資料於財務報表附註9披露。 ** 當計入金融資產的其他流動資產並無逾期且並無資料顯 示該等金融資產自初始確認以來的信貸風險大幅上升 時，該等資產的信貸質素被視為「正常」。 於2023年3月31日，生產力局五大客戶的應收賬款佔 應收賬款總額的46% （2022年：50%）。 於2023年3月31日，生產力局五大客戶的合約資產佔 合約資產總額的68% （2022年：70%）。 關於生產力局來自應收賬款信貸風險的進一步數量分 析，列示於附註9。 (b) 流動資金風險 集團的政策是定期監控流動資金需求，以確保維持充 足的現金儲備，應付到期時合約性及合理可預見的責 任所需。 下表詳列出非衍生財務負債於報告末日之尚餘合約到 期情況，此乃根據訂約未貼現現金流量（包括以訂約利 率計算之利息支出；若為浮動利率，則為根據報告日 之即期利率計算之利息支出）及本集團及生產力局可能 需要付款之最早日期而得出。
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