19.—(1) Subject to an order under section 20, each area mentioned in column (4) of the Second Schedule to this Act at any reference number shall be a fishery district for the purposes of this Act and shall be known by the number and name mentioned in columns (2) and (3) respectively of the said Schedule at that reference number.

(2) F18[…]

(3) (a) The Minister shall cause to be prepared maps (in this subsection referred to as the official maps) showing, in such manner as the Minister thinks fit and indicates thereon, the boundaries of each of the several fishery districts.

(b) The official maps shall be sealed with the official seal of the Minister.

(c) The official maps shall, for the purposes of any proceedings under this Act, be conclusive evidence of the boundaries (as shown thereon) of each fishery district.

(d) The official maps shall be deposited at the office of the Minister in Dublin and shall be there open to inspection by any interested person free of charge at such times as the Minister may direct.

(e) In any proceedings under this Act, a map certified by an officer of the Minister to be a true copy of the official maps or any portion thereof shall be prima facie evidence of the official maps or such portion thereof (as the case may be) and it shall not be necessary to prove the signature of the person certifying such map or that he was an officer of the Minister.