A party who enters into a rental agreement on behalf of the landlord and fails to comply with this section is an agent of the landlord for purposes of: (a) Service of process and receiving notices and demands; and (b) Performing the obligations of the landlord under law and under the rental agreement. 4.  

Anytime you take money from investors and the returns are made based primarily on your efforts, then you are selling a security and need to comply with securities laws.  

I do plan on finishing the basement and establishing an address at the property so all of this will go away soon, but I want to do my best to comply in the mean time.

Suddenly there are harsh parking rules with expensive requirements to comply.  

1) Only if you want to a) comply with the law and b) not pay more in taxes than you are required.2) https://www.biggerpockets.com/renewsblog/2014/09/11/yes-you-can-write-off-your-depreciation-heres-how/

Outline the rules in a firm way, most tenants seeing that they have no other option will comply.

According to the Tampa Bay Times:"The only way around the short-term rental ban is if a homeowner can show that their home had been used as a tourist rental prior to the passage of the 2006 ordinance, had been continuously used as a short-term rental since then, have a city occupational license and have paid sales tax on all rental income.If they cannot do that, and few can, homeowners faces potential fines of $250 a day if they fail to comply."

Even the LADWP is a pain to deal with and anything electric can linger for months if not years in this cityFor that reason, i would recommend to absolutely avoid any interaction with the city unless you do really heavy work that would have significant impact on the appraisal like maybe adding bedrooms and bathrooms or adding lots of square feetThe current system doesn't reward doing the things by the book; you actually will be way ahead doing things on your own and just comply if you get an order to comply one day (very unlikely anyway).

Since your lease includes a clause about keeping outside areas clean of debris and belongings, I'd give them written warning with 30 days to comply.  

The last time I had to do a domestication, the client ended up paying a fair bit in professional fees due to: (1) having to pay a PA lawyer to handle the domestication work; (2) having to pay a lawyer in the original state to handle whatever he needed to do over there to comply with that state's law; and (3) bunch of filing fees and publications on both sides.