A short term rental bylaw is a partial ban on short term rentals (ex. AirBnB), in which the city bans short term rentals in vacant properties that could otherwise be used as affordable housing. A short term rental bylaw also includes a landlord registry for short term rentals.
More information on short term rental bylaws in the City of Ottawa: https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/short-term-rental-law-no-2021-104