Providing a Written Offer Letter: Once the PA candidate has accepted the job offer verbally, it is essential to provide a written offer letter. Find out when and how hiring managers can make conditional job offers in the federal public service.Find a U.S. employer who is willing to hire you and get a job offer letter from them. Reviewing the Offer Letter: When reviewing the job offer, pay close attention to the accuracy and completeness of the offer letter. I'm planning to submit my PGWP application soon but can't seem to figure out where I can upload my job offer letter in my application. Are you Canadian and have a job offer in the US? You may be eligible for a TN Visa under the NAFTA agreement. This Standard Document is intended for private sector employers for their non-unionized workforce. It is designed to comply with federal and Pennsylvania law. In the opening paragraph of the letter enter the job position that is being offered, then enter the name of the company that is the Employer.