Rail Safety National Law (WA)

identify and assess, so far as is reasonably practicable, risks to safety that may arise from railway operations carried out by or on behalf of the operator because of, or partly because of, railway operations carried out by or on behalf of any other rail transport operator; and

determine measures to manage, so far as is reasonably practicable, those risks; and

for the purpose of managing those risks — seek to enter into an interface agreement with the other rail transport operator or rail transport operators.

in the case of an individual — $50 000;

in the case of a body corporate — $500 000.