Long story short, my clients refused to comply, the buyer's showed up the next morning but refused to close (and rightfully so), and my client refused to replace the system or offer a credit.  

Be sure everyone involved complies with RESPA rules.

That document says under zoning that the "FHA requires the Property to comply with all applicable zoning ordinances."

This step, to automate your first response, is very helpful to find the people who actually read your criteria (and can comply.)

***********************************ACTIONI've spoken a few times with tenants about guest overstay, dumping, smoking but they still overstay, dump and smoke.Tenants say guests are family and have a hard time complying with overstay and cigarette dumping.Tenants don't want their guests to become tenants and formally apply, credit check with increased rent and security deposit.Like a hotel, can I require mandatory check-in and check-out to enforce the 14 day max stay?

If they are an expert in the property location and unique or challenging circumstances make it necessary to be creative in complying, then a code consultant can make the difference between municipality approval and not.

Getting around the non-recourse loan is part of what I'm trying to accomplish, provided I'm complying with the rules, of course.

Also get a copy of their orders before signing long term leases, you want to make sure they are PCS orders, not TDY orders.Other than that, they probably aren’t more of a risk than similar aged non-military, and you may have a couple more tools for them to encourage them to comply with the lease, such as suggesting you will discuss issues with their commander or first sergeant about significant violations .

For the Opportunity Zone one has to deduct the land value and invest 100% of the structural value into the property to comply.

Firstly, you should realize that you do have control of the situation, you just need to let the tenant know that ASAP.We all know that moving can be stressful, but it does not release an adult from their responsibility to comply to the lease terms they agreed upon.