You'll need also a Letter of employment for the time you were working for your employer, including NOC, Salary, duties, dates and worked hours. A valid job offer, also known as an offer of employment or an arranged employment offer, could significantly enhance your chances to immigrate to Canada.Learn everything about job offer letters for immigration, including eligibility criteria, required documents, and the process. An offer letter provides a brief overview of the position and company and includes specific job details, such as start date, salary, work schedule and benefits. It is our pleasure to offer you an appointment as a Postdoctoral Fellow in the Department of XXXXX. The document checklist shows three spots, one for the Offer of Employment, the other for the Employment Records, and the last for the Letter of Employment. A job offer letter is a document that a Canadian employer gives you (as a temporary worker). It explains the details of your job. Customized Verification of. Enrolment Letter from Registrar's office in Gordon Hall.