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You are a marketplace seller if you make retail sales through either a physical or electronic marketplace operated by a marketplace facilitator. If you do not have physical presence nexus in Washington, you are a remote marketplace seller.
Marketplace sellers (without physical presence nexus)
Remote marketplace sellers making retail sales to Washington consumers—including sales made through a marketplace—may be required to register.
Starting Jan. 1, 2020, remote marketplace sellers must register to report B&O tax and collect/submit applicable sales tax, if the seller meets either of the following thresholds in the current or prior year:
The receipts threshold applies to all Washington income, including retailing, wholesaling, service and other activities, and other apportionable activities. Calculate the threshold using all of your retail sales to Washington customers, including sales made through a facilitator, through your own website or otherwise. You also must include exempt sales when calculating the threshold.
Once you meet the threshold, you are required to collect and report for the remainder of the current and the following calendar year. If you did not meet the threshold in the previous year, you must begin to collect on the first day of the month that starts at least 30 days after the date you met the threshold.
For more information and thresholds for past periods, see our Out of state businesses reporting thresholds and nexus guide.
Marketplace sellers (with physical presence nexus)
If you have physical presence, you must register with the department even if you do not meet an economic threshold.
If you make all of your retail sales through a marketplace facilitator, you do not need to collect and submit retail sales tax if you have proof that the facilitator is doing so on your behalf. You will still file and pay your B&O and other taxes if you meet a registration threshold.
Marketplace facilitators are required to provide you with gross sales information for all Washington sales made on your behalf in the previous month. This report is due to you within 15 days of the end of the month. You should use this report to calculate your business and occupation and other taxes.
If you do not receive the report on time, you may estimate your B&O using a method that is either approved or required by the department.
If you meet a registration threshold, then you must file a tax return.
Note: Sales tax is collected based on the location where the sale is sourced or delivered. Use the department’s sales and use tax tools to calculate the correct rate. To determine whether a product is subject to Washington sales tax use the taxability matrix.
If a streamlined sales tax certified service provider (CSP) is reporting retail sales tax on your behalf, you are still required to file your own Washington excise tax return to report your B&O tax.
Call 360-704-5900 or email DORMarketplaceFairness@dor.wa.gov.