If you're interested in learning more, the largest organization I know of is SOHO, a San Diego group, you can google them, they put out a nice magazine on rehabilitations of historic places. :)

Some of the pertinent parts I found include: The Fair Housing Amendments Act of 1988, Section 504 of the Rehabilitation Act of 1973, and Title II of the Americans with Disabilities Act protect the right of people with disabilities to keep emotional support animals, even when a landlord's policy explicitly prohibits pets.

As such, when I make an offer now on a deal I plan to take down to rehab and flip (rather than wholesale) I also put in my offer that I am willing to accept a 30 day deed restriction and I include a corportae letter of intent which states what I intend to do with the property (which is buy it, vest it in my company name, I explain the history of my company, and that I will rehabilitate the home, and then sell for a profit.

An associate of mine jumped on a duplex purchase which was on the border of a war zone, there was an active project funded by the major metro city to rehabilitate the entire area, major fed funding, so it looked good, a bad area being brought up by OPM.

The might also provide counseling, job training or some kind of rehabilitation.

He walks clients through the financing, purchasing, rehabilitating, renting, etc. process mentioned in previous posts), if they would like to know more specifics.  

It is the hard money lenders' and rehabilitation contractors' or flippers' that claim a business purpose but there is no statute defining such loans.

Right now we are on a 'rehabilitation' program with our tenants.

The city's law says that a slum property constitutes a public nuisance, and shall be abated by repair, rehabilitation, demolition, or removal.

I was listening to episode 63 of bigger pockets where J Scott discusses his experience rehabbing out of state in Memphis.He said something along the lines of Memphis not having the necessary infrastructure to support a successful out of state rehabilitation for investors.Curious to know what elements you look for or the systems you use to evaluate rehab and rent ready markets.