Sounds like the natural layout of your mountain property is not very conducive with the quiet hours you're trying to enforce.

In actual words it said something more like:  "Due to the challenges with rent payments being received on time, going forward we will be strictly enforcing the terms of our lease."  

Enforcement can be tricky, of course, and I'm sure there are folks doing it, but unless it is a hobby-only UAV weighing less than .55lbs, it is restricted (without registration) or forbidden (any commercial use).So, I'll change my last answer a bit!  

Housekeeping is subjective and really hard to enforce and I can see the cats  suddenly becoming service animals. 

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.

There is already a law in place that they didn't enforce and now they want to put the burden on someone else.

Sometimes a bank or a lender will enforce stricter "overlays" or tighter rules because they are cautious, had a fine, or don't have the skills... this is a simplification but not all lenders ins and outs, pricing adds, this not that, are the same.No conventional loan is going to use proposed short term rental on cabins that do not exist.

There are no STR restrictions in the town, so I'm not sure who, if anyone would enforce this.

I wouldnt spend too much time or energy on this topic, you have insurance for a reason to deal with things going wrong and most agreements arent all that binding or enforceable.

It’s a big deterrent but we’ve already had to enforce it, and we’re glad we had it in place when we did.