Regulations Governing Securities Investment Trust Funds Article 49
The weighted-average duration of a money-market fund may not exceed 180 days, and shall be calculated in terms of the repurchase transaction period when the investment vehicle is a repurchase transaction.Money-market fund investment shall be limited to investment vehicles with a remaining maturity of not more than one year, provided that this restriction shall not apply to repurchase transactions.
中文原文 證券投資信託基金管理辦法（931030訂定）第49條
貨幣市場基金之加權平均存續期間不得大於一百八十日，運用標的為附買回交易者，應以附買回交易之期間計算。
貨幣市場基金之運用標的以剩餘到期日在一年內之標的為限。
但附買回交易者，不在此限。
貨幣市場基金之運用標的以剩餘到期日在一年內之標的為限。
但附買回交易者，不在此限。