106.—(1) At any time before the handing over of the Shannon works to the Board under this Act is completed, the Minister, notwithstanding any enactment declaring the River Shannon to be a public navigable river, may by order, if the Minister sees fit so to do for the purposes of the operation of the Shannon works or of the doing of any matter or thing which the Minister is authorised to do by the Shannon Electricity Act, 1925 (No. 26 of 1925), prohibit navigation in or upon the River Shannon or any particular part thereof specified in such order for the period of time specified in that behalf in such order.

(2) Where as a result of an order made by the Minister under the foregoing sub-section prohibiting navigation in or upon the River Shannon or any particular part thereof any water-right, fishing right, or other right existing in respect of the River Shannon or the part thereof to which such order relates is terminated, restricted or otherwise interfered with, the termination, restriction or interference of such water-right, fishing right or other right shall for the purposes of sub-section (1) of section 4 of the Shannon Electricity Act, 1925 (No. 26 of 1925) be deemed to be authorised by that Act and the said Act shall apply accordingly.

(3) When the handing over of the Shannon works to the Board under this Act is completed the Board, notwithstanding any such enactment as aforesaid, may by order, for the purposes of the operation of the Shannon works or of the exercise of any of the powers or the performance of any of the duties or functions conferred and imposed on the Board by or under this Act prohibit navigation in or upon the River Shannon or any particular part thereof specified in such order for such limited period of time specified in that behalf in such order as may be required by the Board for the purposes aforesaid.

(4) Every order made under this section shall operate and be expressed to prohibit the passage of any person with any boat, barge, lighter or other vessel in or upon the waters of the River Shannon or the part thereof specified in that behalf in such order during the period of time specified in that behalf in such order.

(5) Every person who contravenes the provisions of an order made under this section shall be guilty of an offence under this section and shall be liable on summary conviction thereof to a fine not exceeding fifty pounds.