If this form is being completed manually or was generated to sign manually, it must be signed using an acceptable signature and submitted to us. Learn how to complete and submit the Public Service Loan Forgiveness form once you've made 120 qualifying payments and met all eligibility requirements.The Federal Teacher Loan Forgiveness Program is available to teachers who meet certain eligibility requirements. Sample Agency Plan 1: Guidance On Student Loan Eligibility, Service And Repayment Options. A letter of explanation consists of short descriptions you can use to fill in the gaps in your paperwork for your underwriter. Dentists, dental hygienists and allied dental providers are eligible for the programs described in the chart below where applicable in all 50 states.