(1)The authorised undertaker shall employ all reasonably practicable means to ensure—
(a)that the environmental impacts of the construction or operation of the authorised works are not worse than the residual impacts identified in the environmental statement; and
(b)that—
(i)the additional environmental mitigation measures identified in undertakings given to objectors to the Bill for this Act or to the Edinburgh Tram (Line Two) Bill Committee during the Consideration Stage of the Bill for this Act are carried out; or
(ii)the environmental impacts of the construction or operation of the authorised works are not worse than they would have been had the mitigation measures referred to in sub-paragraph (i) been carried out.
(2)In this section—
“environmental statement” means the environmental statement submitted to the Parliament as an accompanying document with the Bill for this Act, as amended by the supplementary environmental statement submitted to the Parliament in June 2005;
“residual impacts” means the environmental impacts of the construction or operation of the authorised works after the mitigation measures proposed in the environmental statement have been carried out.