The Appointment of Trainee form (PHS # 2271) should be completed by each trainee on the online eRA Commons platform (online interface governed by the National Institutes of Health) and the program in which trainee is enrolled no later than 30 days after the beginning of the appointment. Information and Instructions for Completing Statement of Appointment is available at the following link: http://grants.nih.gov/training/phs2271.pdf.