A loan personal guarantee is a document that allows an individual (guarantor) to be held responsible for money loaned if a borrower does not pay it back. Do you need a loan payoff request form?Complete the form for the Loan Payoff Quote. Edit, sign, and share Guaranty Attachment to Lease for Guarantor or Cosigner - Illinois online. Guaranty of Non-Recourse Obligations (Preferred Equity Guarantor) ; Form 6018. Fill out a Recurring Payment Form and send it to us: By mail: Attn Auto Pay Department, 300 N Field Dr., ​Lake Forest, IL 60045. Federal regulations require that you complete and return this form within 10 business days. Email address (to send payoff statement). Authorization from borrower. ​. Make payments and access important information about your account.