Are you an employer in Washington? Read this guide to find out how to hire employees as a business owner in Washington.Now that you already have salary break-up, employment details, and even medical test was asked to take up, I am sure there's nothing to worry. SAA has developed some appointment letter templates that can be used to inform employees of their new position, salary increase, or new appointment status. Basically you're expected to accept an offer and join the work without having any written proof of appointment and confirmed agreement on your payout. A US job offer letter includes the salary. None of the employer taxes are mentioned anywhere in the offer letter, and that is not a matter of concern to the employee. Deductions. Compensation Subsection: Enter the salary amount being offered to the employee. The salary may be entered as an annual, monthly or hourly basis. This means for every contribution you make to your 401(k), your employer matches the amount up to a certain percentage of your salary.