A letter of termination of employment is a formal document used to inform an employee that their employment contract, or agreement, is being ended by the employer. This type of letter should be clear and concise, outlining the reasons for termination and any other relevant information, such as how much notice is being given and the date the employee’s last day will be. Receiving this letter can be upsetting for the employee and writing it should be approached with sensitivity, respect, and professional courtesy.