Pierce County is a participating county under Chapter 338, Laws of 2019. There is authorized, fixed and imposed a sales and use tax on every taxable event, as defined in RCW 82.14.020, in nonparticipating cities and participating cities identified in Chapter 338, Laws of 2019, as appropriate for taxation by a participating county. There is also authorized, fixed and imposed a sales and use tax on every taxable event, as defined in RCW 82.14.020, in unincorporated Pierce County for the time period identified as appropriate for taxation by a participating county under Chapter 338, Laws of 2019. The tax shall be imposed upon and collected from those persons from whom the state sales or use tax is collected pursuant to Chapters 82.08 and 82.12 RCW and may only be used for affordable and supportive housing purposes as provided in Chapter 338, Laws of 2019.