Learn how to complete and submit the Public Service Loan Forgiveness form once you've made 120 qualifying payments and met all eligibility requirements. How to Fill Out the PSLF Form.To benefit from Public Service Loan Forgiveness (PSLF), a current or past employee (otherwise referred to as "borrower") is required to submit a PSLF form. In order to process your Alternative Educational loan you must complete the Private Education Loan Applicant Self-Certification form.