13.—(1) A qualifying action is a measure which the Administrator is satisfied—
(a)is installed at domestic premises;
(b)results in the reduction in the cost of heating those premises to 21 degrees Celsius in the main living areas and 18 degrees Celsius in all other areas, or in the case of a demonstration action, is reasonably expected to result in such a reduction;
(c)is completed on or after 1st October 2018;
(d)except in the case of a repair, is installed at—
(i)premises erected before 1st October 2018; or
(ii)premises which were first occupied as domestic premises before the installation was completed;
(e)meets a condition in any one of articles 14 to 17 (measures installed at private domestic premises, certain social housing or accompanied by a statement from a local authority);
(f)meets the requirements of article 18 (installation standards, warranties and consumer protection);
(g)except in the case of a measure installed to improve the insulating properties of the premises, meets the requirements of article 19 (additional requirements to be met by heating measures); and
(h)is notified to the Administrator in accordance with article 24.
(2) A qualifying action is also a measure which is recognised by the Administrator as a surplus action.