It is already required to have an airbnb license, but there doesn't seem to be much enforcement, and anyone in Austin can make a host account on vrbo or airbnb. This law would create enforcement by restricting airbnb to be required to verify licenses. This article says that there may be a decision in March: https://www.kvue.com/article/news/investigations/defenders/austin-stop-unlicensed-short-term-rentals/269-776e8469-095b-4928-8947-7f9de7b1f190