Two separate laws.Fair Housing does not require the "prescription" be written by a medical professional.

Probably a combination of the two.Either way it just might work (disclaimer: I'm not endorsing the use of narcotics prescription or otherwise as a creativity or mindset booster).

Adverse PossessionA method of gaining legal title to real property by the actual, open, hostile, and continuous possession of it to the exclusion of its true owner for the period prescribed by state law.Personal Property may also be acquired by adverse possession.Adverse possession is similar to prescription, another way to acquire title to real property by occupying it for a period of time.

To have truly livable cities, you need a less prescriptive approach to zoning, which allows for bottom-up planning and development.The zoning system in Japan is actually quite interesting, and simple.

If the doctor gives you a prescription for a specific therapy offered at a gym, then the cost of the therapy is deductible, but the general gym membership fee is not -- only the separate fees that may be charged to participate in the therapy program are deductible.Refer to IRS Pub 502 for specific details.

I've combined it all and packaged into my Prescriptive Value Optimization System that produces that A1 best buyer for my listings in any residential owner occupied real estate market.

Turns out one of the tenants I just signed has a pretty serious prescription drug problem, which has just forced her to be taken to the hospital by an ambulance after her roommate called 911. 

That is why an optometrist can sign a prescription for the ESA.  

If they sold you the landlocked parcel, they would have been complicit in creating a prescriptive easement across the contiguous owner's land to service your parcel. 

Can I claim a prescriptive easement ?