118   Development permitted without consent

(1)  Development for the purpose of maintaining or managing a travelling stock reserve, other than development of a kind specified in clause 119, may be carried out by or on behalf of a public authority or a rural lands protection board without consent on land within the reserve.

(2)  Subclause (1) does not authorise the carrying out of development for any of the following purposes:

(a)  the erection of a building or the reconstruction or alteration of a building so as materially to affect its design or purpose,

(b)  any development designed to change the use or purpose of the reserve.