Section 19 of the Principal Act is amended -

(a) by substituting for subsections (1) and (2) the following:

"(1) The Commissioner, after consultation with the Minister for the Environment, Community and Local Government and the rating authority concerned, may make an order (in this Act referred to as a ‘valuation order’) specifying a rating authority area as being an area in relation to which the Commissioner proposes to appoint a person under subsection (2) to organise and secure the carrying out of a valuation of relevant property situate in that area (other than any property specified in paragraph (a) or (b) of that subsection).

(1A) A valuation order may specify that the valuation of a rating authority area, or a portion thereof, shall be carried out in accordance with regulations made under section 26B.

(2) As soon as may be after the making of a valuation order, the Commissioner shall appoint a person to organise and secure the carrying out of a valuation of every relevant property on the valuation list or existing valuation list situate in the rating authority area specified in the order and any relevant property entered on that list between the making of the valuation order and the publication of the list, other than -

(a) any relevant property the subject of an order under section 53, or

(b) any relevant property specified in Schedule 4.",

and

(b) by substituting for subsections (3) and (4) the following: