(1)  The Rail Safety Regulator may, by instrument in writing, delegate any of the Rail Safety Regulator's functions under this Act (other than this power of delegation) or under the regulations to a rail safety officer or to any other person.

(2)  A rail safety officer or other person may, by instrument, delegate to any other person any function delegated to him or her under subsection (1) if the Rail Safety Regulator permits the officer or person to subdelegate the function to that other person.