Call the section 8 case worker ( after you get the next check ) and tell them what happned , they may have a procedure for this 

I reached out to remind her about utilities, move in procedures etc, and that is when she asked to start June 1st instead because she hasn’t worked this whole month( and is probably trying to regain her footing).

The letter would include verbiage taken directly from the lease stating lease break procedures/insufficient notice...etc. 

@Johnny MackTerminating a lease is neither an eviction or a legal procedure.

And your descriptions of how you handle things are helping me firm up my procedures, systems, routines.

A couple of reasons for our angst are- Closed two days ago, introduced ourselves to the tenants we inherited, informed them of us purchasing the property and that we needed to sit down and go over how to go about paying rent and new procedures we want to implement.

The landlord must follow abandonment procedure, which may include posting the notice to quit for non-payment of rent and proper notice to enter the premises.

We do the same procedure when it comes to contacting the  current landlord and have busted one already who put a fake reference on the app. 

Let them know you put in new policies and procedures and this new policy relates to all parties going forward.  

In addition to RHA, Washington Landlords Association is a good industry group with resources to help you straighten up the leases & procedures in your business.