(1)  A blasting plan is only valid for the purposes of this Division if it is endorsed by –

(a) in the case of trainee blasting, the shot-firer who is to supervise the trainee blasting; or

(b) in the case of any other kind of blasting, the shot-firer who is to supervise or carry out the actual blasting.

(2)  For subregulation (1) , a shot-firer endorses a blasting plan by –

(a) signing and dating the plan; and

(b) if the plan has been prepared by a person other than the shot-firer, appending the word "agreed" , "approved" or "endorsed" to the plan (near the shot-firer's signature).