The exemption under clause 22 is subject to the following conditions:

(a) the rear overhang of the pig trailer, inclusive of its load, must not exceed 5 metres;

(b) the pig trailer, inclusive of its load, and the motor vehicle towing it must not exceed 25 metres in length;

(c) the vehicle used to tow the pig trailer must display headlights on low beam when used in daylight;

(d) if the trailer or combination is used in daylight, a red flag must be affixed to the rearmost point of its load;

(e) the pig trailer must display side markers and rear markers for night travel in accordance with clause 6 of Schedule 2 to the Vehicle Operations Regulations;

(f) if the pig trailer, inclusive of its load and the motor vehicle towing it, exceeds 22 metres in length, it must –

(i) display an oversize vehicle sign at the front and rear of the pig trailer; and

(ii) display warning lights when used at night;

(g) if the rear overhang of the pig trailer, inclusive of its load, exceeds 3.7 metres, it must display an oversize vehicle sign at the front and rear of the combination.