Another is laws about employment. Is the guy who empties the trash can an employee of the building or the company who leases the space. That can mean differen

Another is laws about employment. Is the guy who empties the trash can an employee of the building or the company who leases the space. That can mean different levels of what has to be offered to that janitor. As the mega corp could be 200k people and need to offer X benefits by law the building owner has it broken out into a REIT and the guy works for a 50 person employee shop and has Y benefits.