3 In dealing with the primary issue of the identity of the proper defendant, it is necessary to trace how the matter developed and this may most conveniently be done by summarising the undisputed facts, as follows -
(1) On 15 December 1992, Pacific Concrete & Quarries Pty Limited, with an Australian Company Number of 058 394 237 (the appellant), was registered under the Corporations Law.
(2) Mr Anthony Martinelli was employed by the appellant as a truck driver to transport and deliver pre-cast concrete products from its factory premises to building sites.
(3) On 12 January 1998, whilst so employed, Mr Martinelli sustained fatal crush injuries when four concrete slabs he was transporting on the appellant's truck became adrift on the brakes being applied and smashed through the driver's cabin pinning Mr Martinelli to the steering wheel and dashboard.
(4) In early-February 1998, the prosecutor (the respondent to the present appeal) had discussions with Mr Joseph Tak-Wong Wong, a director of the appellant, at one of the appellant's plants concerning a new method to safely secure product on trucks. An improvement notice under the Occupational Health and Safety Act was thereupon issued to the appellant who implemented the changes required.
(5) On 23 June 1998, Mr Wong provided written answers to questions submitted to him by the respondent in the course of the investigation of the incident on 12 January 1998 concerning Mr Martinelli. Presently relevant questions and answers included :
2. Q. What is the registered name and address of the company?
A. Pacific Concrete & Quarries Pty Ltd:
i. Registered Office: c/- Trood Pratt & Co, Suite 3102, Level 31, Tower Building, Australia Square, Sydney, NSW 2000
ii. Plants: a. Botany, 71 Stephen Road
b. Ingleburn, 43 York Road
c. Plumpton, 202 Power Street
3. Q. What is your position with the company?
A. Managing Director.
4. Q. Do you have the authority to legally speak on behalf of the company?
A. Yes.
5. Q. Was the company aware of an accident to Anthony Martinelli on the 12th of January, 1998?
A. Yes.
6. Q. Was Anthony Martinelli an employee of the company on the 12th of January, 1998?
A. Yes.
7. Q. Did Anthony Martinelli have the accident whilst working as a truck driver for the company on the 12th of January, 1998?
A. Yes.
(On 19 January 1999, Mr Wong signed a typewritten record of the interview he had with the prosecutor on 23 June 1998, including the above questions and answers in the terms so stated.)
(6) On 7 January 1999, the appellant changed its name to Manpac Industries Pty Limited and retained its then existing ACN, namely, 058 394 237.
(7) On 7 January 1999, Pacific Concrete & Quarries Pty Limited, with an ACN of 085 780 678 (hereinafter referred to as "the new company"), was registered under the Corporations Law.
(8) In addition to his position as Managing Director of the appellant, Mr Wong was the sole director and Secretary of the new company, whose registered office was at the same address as that of the appellant.
(9) Even though the corporate restructuring occurred on 7 January 1999, in the above-mentioned record of interview signed by Mr Wong on 19 January 1999 containing the questions and answers as to the identification of the employer as being "Pacific Concrete & Quarries Pty Ltd", no qualification or explanation was made by him in signing the statement; specifically, no mention was made of the respective ACNs of the two corporations or of any details of the corporate changes.
(10) On 21 May 1999, the respondent issued four summonses against "Pacific Concrete and Quarries Pty Limited [ACN 085 780 678]" for breaches of s 15(1) of the Occupational Health and Safety Act in respect of the incident concerning Mr Martinelli on 12 January 1998.