that i have discussed in the past that relate to the issue of whether or not hosting platforms like air brb have indeed paid taxes to the taxpayers of the city and county of san francisco. the first ordinance i am introducing today is an ordinance that would make the implementation of the airbnb law -- so-called law that passed contingent upon the collection and payment of back taxes that are owed to the taxpayers of the city and county of san francisco. the second item i am introducing today is a hearing request on the question of whether short term residential rental housing platforms that do business in the city and county of san francisco have in fact remitted all transit occupancy taxes that are owed to the city and county of san francisco, and a hearing on what the treasurer tax collector's efforts have been to collect such taxes. i respectfully request that the treasurer tax collector report on this item in committee. the rest i submitted. thank you. >> thank you supervisor campos. supervisor christensen. >> i have an in memoriam. i would like to remember patricia thomas and known to