15   Interpretation

(1)  In this Part:

permanent stock zone means the whole or part of a public road set aside as a permanent stock zone in accordance with clause 16.

permanent stock zone sign means a stock warning sign:

(a)  displaying particulars approved by the roads authority in the manner approved for the purposes of this definition, or

(b)  of a type approved by the roads authority.

public road includes the shoulder of a public road.

roads authority means roads authority within the meaning of the Roads Act 1993.

shoulder of a public road includes any part of the road that is not designed to be used by motor vehicles in travelling along the road.

stock warning sign means a sign warning road users of the presence of stock.

stock zone means a permanent stock zone or temporary stock zone.

stock zone sign means a permanent stock zone sign or a temporary stock zone sign.

temporary stock zone means the whole or part of a public road set aside as a temporary stock zone in accordance with clause 16.

temporary stock zone sign means a stock warning sign:

(a)  displaying particulars approved by the State Council in the manner approved for the purposes of this definition, or

(b)  of a type approved by the State Council.

(2)  For the purposes of this Part, a stock warning sign that depicts a particular kind of stock applies to every other kind of stock.