Get your financial documents in order first.

This could lead to friction during the application process or deter some potential tenants.Increased Administrative Work: Requiring multiple applications per household increases your workload, as you'll need to process more information, run additional background checks, and review more documents.

Get the documentation and report the person to the state’s attorney for fraud against the elderly  

Start working the process daily BY EMAILS not phone to document everything.

If you are subject to Fair Housing, then you should print, read, highlight, and learn the policy regarding service animals: https://www.hud.gov/sites/dfiles/PA/documents/HUDAsstAnimalN...3.

If you are subject to Fair Housing, then you should print, read, highlight, and learn the policy regarding service animals: https://www.hud.gov/sites/dfiles/PA/documents/HUDAsstAnimalN...3.

I have the court documents if you need them for reference.

So, everything the law required of me in such a case at that time I did - and each required step I took, I documented by email to the tenant, with attachments, where appropriate, without delay.

Documentation must be provided to prove the change in occupancy status​.Non-Occupant Co-Borrowers: A borrower who is a non-occupant co-borrower on another FHA loan may still be eligible for an FHA loan on a property they intend to occupy as their primary residence​.If you want to rent out your current home and you need the rent to offset your current mortgage payment to qualify for the new loan, you run into another set of FHA rules. 

A Borrower with an existing FHA-insured Mortgage on their own Principal Residence may qualify as a non-occupying co-Borrower on other FHA-insured Mortgages.Rental Income from other real estate holdings may be considered Effective Income if the documentation requirements listed below are met.