Regulations Governing the Conduct of Discretionary Investment Business by Securities Investment Trust Enterprises and Securities Investment Consulting Enterprises Article 17
A SITE or a SICE shall diversify investments made using discretionary investment assets. Except where the FSC provides otherwise, the ratios at which a SITE or SICE distributes discretionary investment assets among different investment instruments shall be governed by the following provisions:1. The aggregate amount invested on behalf of any single discretionary investment account in the stocks, corporate bonds, financial bonds, and call warrants of any single company may not exceed 20 percent of the net asset value of that account; the aggregate amount invested in corporate bonds or financial bonds issued by any single company may not exceed 10 percent of the total net asset value of the discretionary investment account.2. Neither the aggregate amount invested on behalf of any single discretionary investment account in the beneficial securities, REIT beneficial securities, or REAT beneficial securities offered or privately placed by any single trustee institution nor the aggregate amount invested in the asset-backed securities offered or privately placed by any single special-purpose company may exceed 20 percent of the total net asset value of the discretionary investment account.When a SITE or a SICE uses discretionary investment assets for investment in depositary receipts, it shall calculate the shares it holds in the issuer of those depositary receipts together with the depositary receipts to produced an aggregate number or monetary amount that shall be used in calculating the ceiling on investment. The number of depositary receipts shall be calculated at the number of shares they represent.When a SITE or a SICE uses discretionary investment assets for investment in call warrants, the number of underlying stocks represented by those warrants shall be calculated together with its holdings of other stocks issued by the issuer of the underlying stocks to produce an aggregate total that shall be used in calculating the ceiling on investment.The provisions of paragraph 1, subparagraphs 1 and 2 shall not apply when the SITE or SICE has made other stipulations with the customer in the discretionary investment services contract, except with regard to the subjects of investment named in Article 14, paragraph 1, subparagraph 6, item 1, and Article 14, subparagraph 7.
中文原文 證券投資信託事業證券投資顧問事業經營全權委託投資業務管理辦法第17條
證券投資信託事業或證券投資顧問事業運用委託投資資產應分散投資；其投資標的之分散比率，除本會另有規定外，應遵守下列規定：
一、為每一全權委託投資帳戶投資任一公司股票、公司債或金融債券及認購權證之總金額，不得超過該全權委託投資帳戶淨資產價值之百分之二十；且投資任一公司所發行公司債或金融債券之總金額，不得超過該全權委託投資帳戶淨資產價值之百分之十。
二、為每一全權委託投資帳戶投資於任一受託機構募集及私募受益證券、不動產投資信託受益證券及不動產資產信託受益證券；任一特殊目的公司募集及私募資產基礎證券之總金額，分別不得超過該全權委託投資帳戶淨資產價值之百分之二十。
證券投資信託事業或證券投資顧問事業運用委託投資資產投資存託憑證，應與所持有該存託憑證發行公司發行之股票，合併計算總金額或總數額，以合併計算得投資之比率上限；其存託憑證之數額，以該存託憑證表彰股票之股份數額計算之。
證券投資信託事業或證券投資顧問事業運用委託投資資產投資認購權證，其表彰股票之股份數額，應與所持有該標的證券發行公司發行之股票，合併計算總數額，以合併計算得投資之比率上限。
第一項第一款及第二款規定，除第十四條第一項第六款第一目及第七款所定之投資標的外，於證券投資信託事業或證券投資顧問事業與客戶以全權委託投資契約另有約定者，不在此限。
一、為每一全權委託投資帳戶投資任一公司股票、公司債或金融債券及認購權證之總金額，不得超過該全權委託投資帳戶淨資產價值之百分之二十；且投資任一公司所發行公司債或金融債券之總金額，不得超過該全權委託投資帳戶淨資產價值之百分之十。
二、為每一全權委託投資帳戶投資於任一受託機構募集及私募受益證券、不動產投資信託受益證券及不動產資產信託受益證券；任一特殊目的公司募集及私募資產基礎證券之總金額，分別不得超過該全權委託投資帳戶淨資產價值之百分之二十。
證券投資信託事業或證券投資顧問事業運用委託投資資產投資存託憑證，應與所持有該存託憑證發行公司發行之股票，合併計算總金額或總數額，以合併計算得投資之比率上限；其存託憑證之數額，以該存託憑證表彰股票之股份數額計算之。
證券投資信託事業或證券投資顧問事業運用委託投資資產投資認購權證，其表彰股票之股份數額，應與所持有該標的證券發行公司發行之股票，合併計算總數額，以合併計算得投資之比率上限。
第一項第一款及第二款規定，除第十四條第一項第六款第一目及第七款所定之投資標的外，於證券投資信託事業或證券投資顧問事業與客戶以全權委託投資契約另有約定者，不在此限。