Part 3Miscellaneous and general

45Mitigation of environmental impacts

(1)The authorised undertaker shall employ all reasonably practicable means to ensure—

(a)that the environmental impacts of the construction and operation of the authorised works as described in the environmental statement are not worse than the residual impacts identified in the environmental statement in relation to those works; and

(b)that—

(i)the additional environmental mitigation measures identified in the promoter’s undertakings are carried out; or

(ii)the environmental impacts of the construction or operation of the authorised works as so described 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—