Declares that the intent in defining the permitted uses of the proceeds of the tax authorized in RCW 82.46.010(2) has always been to authorize the use of tax proceeds for the acquisition of equipment such as computer hardware, telecommunications equipment, and software used by a county, city, or town in the regular course of business in connection with associated capital improvements. All such expenditures made by counties, cities, and towns on, before, or after the effective date of this act are declared to be authorized and valid.