On page 2, after line 37, insert the following:
"
(c) The sale of multiple-unit housing, as defined in RCW 84.14.010, is subject to the tax imposed under this section at a rate of one percent of the selling price for the initial sale of the property after the value of the improvements have been included for purposes of the exemption under chapter 84.14 RCW and at a rate as provided in (b) of this subsection for all subsequent sales of the property."