Your other option (which I would consider a better alternative) would be to fire the A/C company for disregarding your instructions as the property owner.

If they aren't in city limits, disregard. 

But you disregard all of that and tell him: "It IS, however, completely illegal to possess illegal drugs.

I ain't gonna knock a possible tenant for legally being ripped off.Interestingly enough I know a few people in the mortgage industry, working in the underwriting, originators office, etc, (eg at proper banks and not mortgage advisors, sales people), and they all disregard medical debts when reviewing mortgage applications.

It woke me up a couple of nights and then my brain disregarded it as something not having to worry about and I didn't hear it any more. 

Inform them this is a formality that you have to take with everyone and if his/her rent shows up in the mail postmarked on your required date then you will disregard the pay or quit notice.

I see small chinks in the landlord dam...for instance landlords supposed to disregard criminal records and today as a real life example I had an offer on a house and they potential buyers had $100 down !

(note: this depends on the exact structure of your rent control -- if your rent control allows sizable increases disregard)

LLC are state entities and are disregarded by the IRS.

One major point of clarification, for those who fixate on certain details and immediately disregard the rest of the strategy.