Tampa for 30 years and according to Code Enforcement, it is the law in Florida to rent with a refrigerator and stove installed.

If the contract is not signed by all parties to the contract then it isn't a contract - probably not enforceable.

Given the lack of time is there any merit in posting the 3 day notice to pay or quit, knowing it cannot be enforced?

If they are VERY professional, they will have their processes in writing as verification that it is enforced equally and fairly by their entire staff. 6.

Now, I just strictly enforce the lease terms and life is more enjoyable.

I recommend calling up the city or county staff planning Dept member or code enforcement officer, they are public servants and are paid to answer your questions, so you get the information straight from the source.

We know they don't have to be recorded to be enforceable.  

They all have to be related or Code Enforcement can shut you down.

You dont HAVE to enforce anything.

If lightning strikes and blows up the electric stove, knocks out the well pump and fries the A/C such losses are covered under the owner's policy and collecting from a residential tenant for such losses just won't happen in front of any judge.While agreements are made by owners without malice thinking they can reduce costs, no judge will enforce agreements that are illegal or invalid.Commercial property is different as a commercial tenant may deduct expenses on a commercial property which is leased through their business.