You said in your post  "If the notice was delivered by mail then the notice period begins when the Tenant actually receives the notice."

For a fact, they have a "postal address" (they do NOT name it "business" address, notice that... and btw, this is a bought virtual address, look it up, and y'all shall find plenty in the sea, and please, do not spend $1,000 or whatever, or worse, your precious, billable time = money on it. 

I'd start by giving all residents the required notice (usually 24 hours) and go inspect the units as quickly as you can. 

The first time someone “clawbacks” a rent payment they will immediately be getting an eviction notice in accordance with the terms of their lease.

I've been noticing their data is not up to date.

Notice that the next lines 7b and 19b are for actual Mortgage Loans.

Give them a 30-day notice of termination and follow through on it.3.

While at an ATT store and noticed the APP is currently available on Android. 

Imagine my surprise as I walk up to this structure, thank god I was "awake" enough to be able to notice this beautiful piece of Architecture:The enigma that was Roark hopped out at me in real life in the form of his temple, in reality it was designed by Frank Lloyd Wright.

All messaging said "soon", when generally there would be some sort of notice or indication things would change.