"Airbnb is the generic term for short term apartment rentals"
Respectfully, I disagree as this paints with a very broad brush, is not fair to AirBnB, is simply inaccurate, and should not be encouraged. VRBO, Home Away, and dozens if not hundreds of other agencies rent Paris apartments, legal and not legal.
"According to articles published today (5/11/2017) Registration of rental apartments will be necessary from October of this year."
We have heard this before. It was supposed to have been last September, I think, and that did not happen-although it worked out well for Macron, who apparently was some kind of force behind the effort I have wondered if France's rigorous privacy laws are the nut of the issue and delay. It would be good if they FINALLY got their act together on this so people can enjoy legal rentals without worry-and harassment. Take a look at Barcelona, they have an App where one can plug in an address and get an answer immediately as to a vacation rental's legality: