There is no standard reference letter format. I have been using this format which basically covers the CIC requirement. You can tweak it to meet your requirement.
Reference Letter Format
Date: _____________
To Whom it May Concern
This is to certify that Mr. ____________ (Name) is currently employed with __________ (Company Name) in ___________ (Location, Country).
Details of his employment are given below:
• Designation:
• Date of Joining:
• Employee ID:
• Type of Employment (Full time/permanent/part-time):
• Hours of Work/Week:
• Department:
• Reporting Manager:
• Annual Salary:
Duties and responsibilities handled by ___________ (Name) are as follows:
•
•
•
•
•
If you have any questions, please feel free to contact us.
For (Company Name)
<Signature of the Referee> <Company Seal>
<Name & Designation of the Referee>
<Contact No. and Email of the Referee>