For purposes of (g) of this subsection, "primarily" is determined based on the gross income of the business, as defined in RCW 82.04.080.
The exemptions under (b)(vi)(A) and (B) of this subsection do not apply to amounts received by any member of an affiliated group other than the businesses described in (b)(vi)(A) and (B) of this subsection.
The first step is to determine whether the taxable income of the business (the amount subject to tax under the service and other activities B&O tax classification) for each entity is subject to the 1.22 percent surcharge. Because Entities X, Y, and Z are all members of an affiliated group that had more than $25,000,000,000 of worldwide gross revenue during the preceding calendar year (2021 in this example), and Entity X and Entity Y are engaged in the business of advanced computing, all three entities are considered a "select advanced computing business." Therefore, the taxable income of the business for each entity is subject to the 1.22 percent surcharge as follows:
Entity X: $800,000 * 1.22%=$9,760
Entity Y: $100,000 * 1.22%=$1,220
Entity Z: $1,200,000 * 1.22%=$14,640
The total surcharge owed by this affiliated group of select advanced computing businesses for the first quarter of 2022 is $25,620. This amount is due no later than April 30, 2022, and each entity must report and pay its respective amount to the department.
The next step is to determine the service and other activities B&O tax rate in RCW 82.04.290(2) to apply to the taxable income reported by each entity. Because the three entities are subject to the 1.22 percent surcharge, the taxable income reported under RCW 82.04.290(2) by each entity will be subject to the B&O tax rate of 1.5 percent as required in RCW 82.04.290(2)(a)(ii):
Entity X: $800,000 (*) 1.5% (=) $12,000
Entity Y: $100,000 (*) 1.5% (=) $1,500
Entity Z: $1,200,000 (*) 1.5% (=) $18,000
Each entity will continue to file and pay any taxes due on a monthly basis.
Wash. Admin. Code § 458-20-290