By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. The first step is to get in touch with your lender or loan servicer.You can find their contact information on your monthly statements. It typically details the principal balance, interest due as of that date, per diem, any late fees, etc. Temporary Lodging Expense is an allowance that partially reimburses a Service member for lodging and meal expenses while staying in temporary lodging. Qualified per diem plans are an excellent way to reduce the administrative burden of travel expense reimbursements and payroll tax reporting and withholding. Requests must be based on the accrual basis of accounting and generally accepted accounting principles (GAAP). Per diem is an allowance for lodging, meals, and incidental expenses. The US General Services Administration (GSA) establishes the per diem reimbursement rates. It allows for convenience and flexibility in the disbursement of a loan.