I know we have to send a letter when denying an application due to credit, but I can't find anything on Cozy's site that has a sample denial letter.

Not only would there possibly be personal and property damage but I bet the insurance company would have a very good reason to deny the claim.

E-mail says tenant has been admitted to a long-term treatment facility for substance abuse.  

In your case you may be able to have them pay until you find a new tenant, but that does generally become a mess because you have to prove that you were looking, didn't deny a tenant that met the standards.

My first flip with the abatement was denied at first.

We rented to a person who had been a victim of domestic abuse.  

Might be rather weird but it's not illegal.. to charge you for abuse of utilities is either you comply or he'll give you a non-compliance notice and evict you. 

I denied him for not having references.Another applicant offered to pay 6 months up front.

Call your insurance company to find out if Pit Bull is a covered breed and if not, deny them.

Also broke his baby's arm, so child abuse, too.