So if I understand it correctly, its a theoretical concept...not necessarily a formal classification?

Mind you, we had only 3 days to be out of where ee were living, she knew this and led us to believe we were moving in that Friday and these were merely formalities, I thought literaly it was just to do a background check and rental reference just to kind of back up everything we had on pur original apps.

Formalize results in a letter with consequences.  

I guess I just figured the formalization of an offer would provide more incentive since a deposit is put down.  

The owner will be formally charged in the coming days.Windsor fire officials are taking this time to remind everyone it’s law to have a working smoke and CO detector on every level of your home.Reporter Email Jason Viau Twitter @JasonViauNewshttp://blackburnnews.com/windsor/windsor-news/2016/02/16/charges-possible-in-fatal-fire/

Don't like that at all, the partner junk.Saying a "partner" carries specific legal implications, your partner is not your lover or the guy you drink beer with or someone you hope will buy a house, a partner is one where you have a formal business relationship established prior to closing. 

If no probate open you need to estimate date of death value to determine if formal or informal probate required (in CA).

I do have my stamp and liability insurance and can help with a formal building permit application if needed. 

It seems kind of draconian (and unnecessarily costly via turnover on my end) to terminate her lease over this, so I am trying to anticipate what would be the next logical step if she doesn't comply after my formal letter to her.  

It was listed as an online auction with a low starting price.  1,320 sqft split level (4 levels).  4 bedrooms, 3 baths, formal living room, family room, unfinished basement, 2 car garage, and a fireplace.