1. The seller’s place of business if the purchaser receives the digital product at the seller’s place of business;

2. If not received at the seller’s place of business, the location where the purchaser or the purchaser’s donee, designated as such by the purchaser, receives the digital product, including the location indicated by instructions for delivery to the purchaser or donee, known to the seller;

3. If the location where the purchaser or the purchaser’s donee receives the digital product is not known, the purchaser’s address maintained in the ordinary course of the seller’s business when use of this address does not constitute bad faith;

4. If no address for the purchaser is maintained in the ordinary course of the seller’s business, the purchaser’s address obtained during the consummation of the sale, including the address of a purchaser’s payment instrument, if no other address is available, when use of this address does not constitute bad faith; and

5. If no address for the purchaser is obtained during the consummation of the sale, the address where the digital good or digital code is first made available for transmission by the seller or the address from which the digital automated service or service described in RCW 82.04.050(2)(g) or (6)(b) was provided, disregarding for these purposes any location that merely provided the digital transfer of the product sold.

1. The payroll factor is a fraction, the numerator of which is the total amount paid in the city during the tax period by the taxpayer for compensation and the denominator of which is the total compensation paid everywhere during the tax period. Compensation is paid in the city if:

2. The service-income factor is a fraction, the numerator of which is the total service income of the taxpayer in the city during the tax period, and the denominator of which is the total service income of the taxpayer everywhere during the tax period. Service income is in the city if:

3. If the allocation and apportionment provisions of this subsection do not fairly represent the extent of the taxpayer’s business activity in the city or cities in which the taxpayer does business, the taxpayer may petition for or the tax administrators may jointly require, in respect to all or any part of the taxpayer’s business activity, that one of the following methods be used jointly by the cities to allocate or apportion gross income, if reasonable:

1. “Apportionable income” means the gross income of the business taxable under the service classifications of a city’s gross receipts tax, including income received from activities outside the city if the income would be taxable under the service classification if received from activities within the city, less any exemptions or deductions available.

2. “Compensation” means wages, salaries, commissions, and any other form of remuneration paid to individuals for personal services that are or would be included in the individual’s gross income under the federal Internal Revenue Code.

3. “Individual” means any individual who, under the usual common law rules applicable in determining the employer-employee relationship, has the status of an employee of that taxpayer.

4. “Customer location” means the city or unincorporated area of a county where the majority of the contacts between the taxpayer and the customer take place.

5. “Primarily assigned” means the business location of the taxpayer where the individual performs his or her duties.

6. “Service-taxable income” or “service income” means gross income of the business subject to tax under either the service or royalty classification.

7. “Tax period” means the calendar year during which tax liability is accrued. If taxes are reported by a taxpayer on a basis more frequent than once per year, taxpayers shall calculate the factors for the previous calendar year for reporting in the current calendar year and correct the reporting for the previous year when the factors are calculated for that year, but not later than the end of the first quarter of the following year.

8. “Taxable in the customer location” means either that a taxpayer is subject to a gross receipts tax in the customer location for the privilege of doing business, or that the government where the customer is located has the authority to subject the taxpayer to gross receipts tax regardless of whether, in fact, the government does so.