I'm a bit confused about what the process is for a fibre install in a rented MDU. I know I have to ask my apartment manager, so the owner is asked, but I'm a bit confused who else needs to be asked. There is a body corp for the buildings, who I'm sure will need to be notified, but I'm not sure if they give consent, or if all of the owners need to.We've had fibre run down behind all of the buildings (4 apartments per building, two top two bottom with garages below the bottom apartment). We are on the top floor, and the people below us have fibre installed (they own their apartment). I believe one or two other buildings have as well.

So what I'm wondering is who all I need to contact, and in what order? There was some form of legislation that is meant to make this easier for consenting, but I can't figure out if it's law yet, and what what it means for me if it is. I have put together an awesome MSPaint drawing to help explain what the layout of our buildings look like (there are four buildings, we are in the last one). The X is us, and the F is one of the other apartments that I think have fibre installed. Green is grass, red is where the fibre has been run (to my understanding), and grey is driveway.

I'm also considering switching ISPs, I've been having issues with my current and am thinking of switching to 2degrees. Would it be best to contact them for the install, or keep my current ISP (bigpipe) until the fibre is installed?

My awesome MSPaint drawing: