but the different person should be your supevisor or HR manager , check below taken from SNIP
Proof of Employment
Submit letters of reference and proof of employment for each job position you have listed for
the point assessment grid. Letters of reference from your Supervisor or Human Resources Officer must be printed on company letterhead.
Each letter of reference should indicate the following:
- Your job position and dates of employment;
- Your main duties and responsibilities*;
- The number of hours you worked each week;
- A brief company description (nature of the business, industry and operations);
- The name, signature and direct contact information of your supervisor or manager (including email address matching the company domain and telephone number); and
- The physical location of the company.
