Department of Education FSA ID Apply for an FSA ID Using a Federal Student Aid ID and filing the FAFSA online with the Department of Education is the quickest and most accurate method to apply for financial aid. Your FSA ID is applied for once, and used throughout your student career, as an electronic signature during the financial aid process. If you are a Dependent Student your parents will also need an FSA ID to electronically sign the FAFSA application. The student FSA ID is also used to electronically sign the Direct Loan Program MPN (Master Promissory Note), as well as to access the online Loan Entrance Counseling and Loan Exit Counseling tools. Your FSA ID is used annually to electronically apply for financial aid and to access all your aid records online. Your FSA ID is your electronic signature and provides access to your personal records. It should be kept safe and secure.