14(1)In section 15 of that Act (power of National Rivers Authority, with the consent of the Minister, to use gratings etc. to limit movements of salmon and trout) for the word “grating” or “gratings”, wherever occurring (including in the side-note), there shall be substituted respectively the word “screen” or “screens”.
(2)In subsection (1) of that section (placing of gratings, deepening of channels etc.) the words “with the written consent of the Minister” shall be omitted.
(3)In subsection (3) of that section (use of such means as the Minister may approve for preventing ingress)—
(a)the words “with the written consent of the Minister” shall be omitted; and
(b)for the words “as the Minister may approve” there shall be substituted the words “as in its opinion are necessary”.
(4)At the end of that section there shall be added—
“(5)In this section “open”, in relation to a screen which consists of apparatus, includes the doing of anything which interrupts, or otherwise interferes with, the operation of the apparatus.”