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 |   |  | All money received by the board is considered trust funds to  |  | be held and applied solely as provided in this Act.__An officer  |  | to whom or a bank, trust company or other fiscal agent or trustee  |  | to which that money is paid shall act as trustee of the money and  |  | shall hold and apply the money for the purposes of this Act,  |  | subject to such rules as may be adopted by the board pursuant to  |  | this Act and as the resolution or trust agreement may provide. |  
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 |   |  | A holder of securities issued under this Act or of any of the  |  | coupons appertaining to the securities, and the trustee under any  |  | resolution or trust agreement, except to the extent the rights  |  | given may be restricted by the resolution authorizing the  |  | issuance of the securities or the trust agreement or an  |  | applicable financial document, may, either by action, mandamus or  |  | other proceeding, protect and enforce all rights under the laws  |  | of the State or granted under this Act or under the resolution,  |  | financial document or trust agreement, including the appointment  |  | of a receiver, and may enforce and compel the performance of all  |  | duties required by this Act or by the resolution, financial  |  | document or trust agreement to be performed by the board,  |  | including the collecting of rates, rents, fees and charges for  |  | the use of any of its facilities for any project, projects or  |  | part of any project.__Any such suit, action or proceeding must be  |  | brought for the benefit of all the holders of the securities and  |  | coupons, subject to the terms of any such resolution, trust  |  | agreement or financial document. |  
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 |   | | §6425.__Revenue refunding securities |  
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 |   |  | The board may provide by resolution for the issuance of  |  | revenue refunding securities of the board for the purpose of  |  | refunding any obligations of the board or for the purpose of  |  | refinancing of existing indebtedness then outstanding that has  |  | been issued or incurred under this Act or otherwise, including  |  | the payment of any redemption premium and any interest accrued or  |  | to accrue to the date of redemption of those obligations and, if  |  | considered advisable by the board, for the additional purpose of  |  | construction or enabling the construction of improvements,  |  | extensions, enlargements or additions of the project, projects or  |  | part of any project in connection with which the obligations to  |  | be refunded were issued.__The board may provide by resolution for  |  | the issuance of securities of the board for the combined purpose  |  | of refunding any obligations or revenue refunding securities then  |  | outstanding or for the purpose of refinancing of existing  |  | indebtedness that has been issued or incurred under this Act, or  |  | otherwise, including the payment of any redemption premium on  |  
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