Ensure that you have all the details of the performance, the standards, job description and the past appraisals of the employee. Description of the employee performance should be given in terms of average, above average, good and excellent performance. The focus should be on the employees’ behaviour throughout the year and not just his recent performance. Quantify the ratings, wherever possible, to ensure easy comparability. Substantiate and support all your rating, and attach all the necessary documents. Apart from the defined performance objectives and results, discuss the related issues as well covering all the aspects of the performance. When filling the appraisal form, be honest and objective.