Want to know how to make your employees feel valued? Select a bonus letter example that truly speaks to them with our template and guide.Dear {{ employee_first_name }},. I am pleased to notify you that you have earned a merit increase in the amount of {{ merit_amount }}. This bonus announcement sample letter may be used as a memo to all workers or to an individual employee. Bonuses are considered paid when received so it must be included in the employee's income. See also: Hiring New Staff Employees page. You must complete a job application, I9 Form and W4 forms. References to federal income tax withholding don't apply to employers in American Samoa,. Resume: showing relevant experience (cover letter optional).