How to apply for NYSC Exemption/Exclusion Letter Online - NYSC Portal For those looking for exemption letters, I am going to tell you what they really are, how to apply and perform the online registration and how to print your NYSC Exemption/Exclusion Letter. Many people have been asking me how to go about their exclusion letter because they don’t want to serve. I know some people still don’t know what exemption or exclusion letters are but I will clarify the air and make everything open to all. What is NYSC Exemption/Exclusion Letter? It is been given to a part-time student