Use the PSLF Help Tool to confirm you're eligible and fill out and submit your PSLF form. A payoff statement or a mortgage payoff letter will typically show the balance you must pay in order to close your loan.List the current balance of each loan requested for repayment in the initial application. Write a letter detailing your financial hardship. Explain why you can no longer afford to pay off the principal balance. Frequently Asked Questions on PPP Loan Forgiveness. Write a letter detailing your financial hardship. Explain why you can no longer afford to pay off the principal balance. To prepare to fill out the form, gather information about the payments you believe should be counted. Dentists, dental hygienists and allied dental providers are eligible for the programs described in the chart below where applicable in all 50 states.