(1) The director of a proprietary company who is its only director and only shareholder may exercise all the powers of the company except any powers that this Act or the company's constitution (if any) requires the company to exercise in general meeting. The business of the company is to be managed by or under the direction of the director.
(2) The director of a proprietary company who is its only director and only shareholder may sign, draw, accept, endorse or otherwise execute a negotiable instrument. The director may determine that a negotiable instrument may be signed, drawn, accepted, endorsed or otherwise executed in a different way.