Washington State Tax Rulings
Free plain-English summaries of state tax letter rulings and advisory opinions issued in Washington, with full citations and the original source on every page.
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Could a college bookstore claim Washington's nonresident sales exemption without recording ID expiration dates, and did it apply to textbooks bought by commuting out-of-state students?
No. Washington required every statutory ID record, including expiration dates, and held that textbooks used for classes in Washington were substantially used in the state even if students studied…
Under Washington's former cost-apportionment method, could landfill chemicals and binding reagents be specifically assigned to the out-of-state landfill?
No. Washington treated the chemicals and reagents as consumable business costs, not enumerated property-maintenance costs, so they were apportioned by formula rather than assigned entirely out of state.
Were water-damage carpet restoration, carpet repairs, and deck cleaning nontaxable janitorial services, or could alleged oral Department advice waive the assessment?
No. Washington treated the work as taxable special cleanup or repair rather than routine janitorial service, and oral advice could not support waiver because reliance protection required specific…
Were customer names and out-of-state addresses enough to substantiate Washington's retail sales tax exemption for sales to nonresidents?
No. Under the law applied in the ruling, the retailer also had to record acceptable proof of nonresidence, including identification numbers and expiration dates, for each exempt sale.
Did a public-road subcontractor owe tax and a 50% reseller-permit penalty on materials for traffic cameras and drainage work?
Yes. The subcontractor was the consumer of public-road materials, the cameras facilitated roadway use, and inadequate records did not disprove the assessment or justify penalty waiver.
Did buying the ownership of an existing LLC shift the LLC's pre-sale Washington tax liabilities to its former owner?
No. Washington treated the LLC as the same separate legal entity before and after the ownership change, so it remained liable for the B&O, sales and use taxes, penalties, and interest generated by…
Could an employer-of-record company exclude client payments for film-crew wages and benefits as pass-through reimbursements?
No. The contract made the company personally responsible as employer for payroll and benefits, so the client payments were part of gross income rather than excludable agent-only reimbursements.
How did Washington tax retail-store display installation, related site surveys, and travel charges after the provider had closed its tax account?
Closing the account made the business unregistered, allowing a seven-year assessment period. Installing promotional displays was taxable decorating; site surveys under the same contracts followed…
Were community solar projects engaged in business and required to register and report utility incentive payments as B&O-taxable gross income?
Yes. Washington found that the projects operated for investor gain or benefit, so each had to register and report its utility incentive payments as service B&O gross income, although the…
How did Washington tax cloud services that customized and delivered high-volume business faxes and emails?
Broadcast-fax and desktop-messaging products were taxable telecommunications services. The customized email products were taxable digital automated services, not data processing, and the Internet…
Did a payment in January 2013 for December 2012 work count toward the out-of-state company's 2013 Washington payroll nexus threshold?
Yes. Washington counted compensation when paid, so the company's $53,740.25 paid to its Washington employee during 2013 exceeded the then-applicable $53,000 threshold and created substantial nexus.
Was paper trim sold to recyclers a taxable manufacturing byproduct even though the manufacturer considered it unavoidable waste?
Yes. Washington treated the trim as a manufacturing byproduct because it resulted from production and had market value, regardless of whether the manufacturer intended to create it.
Could an aerospace software company claim older preferential B&O rates with reports filed in 2011 and exempt computers without records showing qualifying use?
No. Washington found the 2007–2009 annual reports untimely under both potentially applicable statutes and denied the computer exemptions because the company supplied no documentation of qualifying…
When a construction company switched from cash to accrual accounting, could it avoid tax on outstanding invoices by saying the sales tax had already been remitted?
No. The outstanding accounts-receivable invoices became taxable when the company changed to accrual accounting, and it lacked records tying the disputed invoices to tax reported on earlier returns.
Could Washington tax an airline's passenger-facility-charge handling fees, airport gate upgrades, and complimentary onboard beverages?
Only partly. Federal law preempted B&O tax on retained passenger-facility-charge revenue, but the airline owed deferred sales tax on gate-construction services and use tax on the assessed…
Could a prescription-benefit manager exclude customer receipts used to pay pharmacies and rely on a predecessor's earlier letter ruling?
No. Washington treated the full customer receipts as the PBM's gross income because pharmacy payments were its business costs, and the earlier ruling did not control because it rested on materially…
For REET on a controlling-interest transfer, could an LLC use the ownership purchase price plus its mortgage instead of the appraised value of the real estate?
No. Washington measured REET by the real property's true and fair value, properly used the taxpayer's appraisal when consideration did not establish that value, and did not reduce taxable value for…
Was a private tennis club's mandatory assessment for capital improvements exempt as a capital contribution or donation, or deductible as membership dues?
It was not an exempt capital contribution or deductible donation: members received no beneficial ownership interest and had to pay to retain membership. But the assessment functioned like dues, so…
Could a private 18-hole golf club use nearby nine-hole courses when valuing the taxable golf portion of membership dues?
Some. Nine-hole private courses certified and laid out to be played as eighteen holes were comparable and could be included. Short, noncertified public par-3 courses were not comparable to the…
Could Washington estimate a contractor's taxable construction income from county permit records when the company supplied no books, and did a Chapter 7 filing stop the appeal?
Yes to the estimate and no to the stay. County permit values were reasonable evidence after the contractor withheld records, and the Department's determination was part of the tax-assessment process…
Were exterior-only litter cleanup, parking-lot maintenance, debris removal, and snow shoveling janitorial services exempt from Washington retail sales tax?
No. Because the exterior work was not associated with or incidental to interior janitorial services, it was a retail cleaning activity subject to retail sales tax and retailing B&O tax.
How did Washington classify web software that scored borrower credit risk, and could a later multiple-points-of-use certificate exempt earlier sales?
The software was a retail credit-bureau service before July 26, 2009 and a digital automated service afterward, not data processing. A multiple-points-of-use certificate could not exempt sales…
Could Washington estimate a restaurant's unreported cash sales when its POS records showed implausibly low cash receipts and unexplained missing tickets?
Yes. The records were unsuitable, and Audit reasonably sampled missing ticket numbers and checked the projected cash percentage against industry studies.
Did dredging anaerobic wastewater lagoons qualify for Washington's manufacturing machinery-and-equipment exemption?
Yes, for the published issue. Washington found that the lined lagoons were pollution-control equipment used directly in meat processing and that removing accumulated solids was exempt cleaning or…
Did a struggling contractor owe Washington's 50% evasion penalty after collecting correctly stated sales tax for years but filing no returns or remitting it?
Yes. The invoices showed knowledge of the liability and intentional nonpayment; financial distress explained the motivation but did not negate intent.
Were payments for a related company's preferential use of port property exempt rent or taxable license income under Washington B&O tax?
They were taxable license income. The port retained rights to use the premises and the related company lacked exclusive control, dominion, and continuous possession against the owner, so the…
Were copyrighted webinars royalty income, and how should a multistate training provider attribute in-person and online workshop receipts?
The workshops were professional services, not royalties, because clients received training and no copyright license. In-person receipts could use the workshop location as a reasonable proxy; online…
Was a co-owner's quitclaim a REET-free gift when the other owner took over all mortgage payments but the grantor remained named on the loan?
No. Taking over the grantor's former half of the monthly payments was consideration even without a formal release from the mortgage note.
Did a tobacco shop qualify as a manufacturer for Washington's machinery and equipment exemption when customers used shop-owned machines to roll their own cigarettes?
No. Customers supplied the tobacco and tubes and operated the machines, so the shop did not manufacture from its own materials or perform processing labor for them.
Did an airline owe Washington hazardous-substance and petroleum-products taxes on aviation fuel burned in the state when it said vendors were the first possessors?
Yes. Washington taxed the fuel burned in the state because the airline supplied no documents showing prior tax payment; the fuel-in-tank rules excluded fuel carried back out, not fuel consumed in…
Did a residential geothermal heat pump qualify for Washington's sales-tax benefit for machinery used directly to generate electricity from geothermal resources?
No. The heat pump transferred ground heat into the home but did not convert geothermal energy into electricity, so it was not used directly in electricity generation under RCW 82.08.962.
What proof did a Washington pet-products seller need for out-of-state delivery exemptions and wholesale sales?
Invoices with out-of-state addresses were not enough to prove delivery outside Washington, and sales to retailers were not wholesale without reseller permits or equivalent evidence. The seller…
Was one subscription fee for an online research library, analyst consulting, webcasts, and conferences subject to Washington retail sales tax?
Yes. The research library was a taxable digital automated service, and combining it with distinct professional services for one unitemized price made the full fee taxable.
Could an HVAC retailer treat finance companies' short payments of customer invoices as bona fide discounts for Washington B&O and sales tax?
No. The customers borrowed and owed the full purchase price, and the retailer did not prove that the finance companies acted as their agents. The short payments were arrangements between the…
Were polishing compounds used in truck detailing purchased for resale because customers selected them and paid a separate charge?
No. Washington found that the detailer consumed the abrasive compounds while performing its service, so their purchase was taxable even though customers selected them and paid separate fees.
Was a corporation's controller personally liable for Washington sales tax the company collected but did not remit?
Yes, but only for the period he acted as chief financial officer. His duties, control of company funds, tax-return filings, and representations as CFO satisfied the statutory role regardless of his…
Was the first rental payment taxable in Washington when a customer picked up traffic-control equipment at a Washington store and took it to an Oregon job site?
Yes. RCW 82.32.730 sourced the first periodic payment to the lessor's Washington business location; later payments were sourced to the equipment's primary location.
Could equipment used year-round in greenery sales qualify for Washington's manufacturing exemption because seasonal wreath production was more profitable or paid most production wages?
No. The proposed profitability and wage measures did not compare qualifying and nonqualifying use of the equipment, and the standard time, value, and volume measures were all below 50%.
For REET on an LLC controlling-interest transfer, did a permanent conservation easement make the property's current-use assessed value the true and fair value?
Yes, on these facts. Washington used the county current-use assessed value because the perpetual conservation easement made the property open-space land and that value reflected its restricted use.
Were Washington vessel repairs exempt because the shipbuilder said an independent captain delivered the completed yacht to a nonresident outside the state?
No. Washington found no reliable contemporaneous agreement or carrier documentation proving that the seller agreed to and did deliver the vessel to the purchaser outside the state.
For a private golf club's dues allocation, could physically nine-hole courses with an 18-hole rate be used in the market comparison, and could reconstructed usage replace missing records?
Partly. Washington required qualifying nearby nine-hole courses to remain in the 18-hole rate comparison, but upheld the audit estimate because the club had purged tee sheets and its reconstructed…
Can a restaurant franchisor exclude franchisees' advertising fees from Washington B&O tax as pass-through reimbursements?
No. The franchisors controlled the advertising programs, provided the advertising service, and were not acting solely as the franchisees' agents. The fees were taxable under the service and other…
Did fuel-management fees and gas surrendered in kind for pipeline transportation belong in Washington's brokered natural-gas use-tax measure?
The determination said yes, but Washington withdrew it effective October 31, 2019. It is no longer in effect and should not be relied on as current guidance.
Could affiliated construction companies claim Washington bad-debt deductions for intercompany receivables merely by amending the parent's federal return?
No. They claimed the wrong reporting period and did not prove valid, enforceable debts between related entities or that the amounts remained unpaid.
Was a cook who managed a fraternity kitchen making taxable retail meal sales, or providing food-service management to the fraternity?
She provided food-service management. The fraternity was her customer and supplied the food, so Washington applied service B&O tax and ordered a refund of uncollected retail sales tax.
Did an out-of-state lessee owe Washington use tax when mobile television-production units were based elsewhere but used intermittently in Washington?
Yes. The lessor had no Washington sales-tax collection duty because delivery and the primary property locations were outside the state. That made the lessee liable for use tax when the units were…
Were charges to play in youth basketball tournaments and leagues taxable retail amusement services, and could accountant advice excuse the assessment?
Yes on tax and no on relief. Participation charges were retail, while third-party advice and a history of timely filing did not authorize waiver of tax, interest, or penalty.
Could assisted-living property sellers exclude nonrecourse mortgage balances from REET selling price when buyers also paid other consideration?
No. Buyer payments relieved major obligations and benefited the sellers, while the rule's narrow exception applied only when no other consideration was received.
Should a public port's dockage revenue from berthing cargo vessels be taxed under Washington's stevedoring B&O classification instead of public utility tax?
Yes. Berthing vessels so cargo can move in interstate or foreign waterborne commerce is included in wharfage and associated stevedoring activities under RCW 82.04.260(7).
Were specialized running, movement, speed, and agility coaching sessions taxable physical fitness services rather than nontaxable instructional lessons?
Yes. The sessions assessed clients' workout needs and improved fitness, strength, flexibility, conditioning, and health. Specialized instruction did not change their primary fitness purpose, and the…
Did later out-of-state registration prove a Washington dealer's nonresident vehicle sales were tax exempt?
No. At sale, the dealer needed the prescribed buyer affidavit and proof the vehicle left under a trip permit or valid plates issued by the buyer's state.
Could a Washington contractor avoid B&O tax and penalties because its subcontractor and federal customer said no state tax was due?
No. Advice from the subcontractor and federal agency was not specific official written advice from Washington's Department of Revenue. Good-faith reliance on those third parties did not authorize…
Could a mutual-fund adviser include related 12b-1 distribution fees when testing Washington's international investment-management B&O rate?
Yes when the distribution work extended the overall management services. The adviser also had to exceed the 50% activity test and 10% qualified-client-income test.
Were EPA-required soil capping and bundled mosaic design exempt purchases because they involved federal cleanup, public roads, or standalone design services?
No. The developer—not the federal government—purchased cleanup on its own land, the cap was not part of the road system, and mosaic design was bundled with the predominant tile-installation work.
Could a captive paymaster exclude affiliate reimbursements for payroll and benefits when it reported the employee as employer of record?
No. Washington found that the paymaster did not prove sole agency liability because it did not establish Form 2678 agent status or written notice making the affiliate liable for all employer obligations.
Could a school-merchandise seller reclassify underreported receipts as commission income and exclude late-order charges without reliable source records?
No. Form 1099s were the best evidence of commissions, late-order postage and handling were taxable delivery charges, and invoices alone did not prove another party remitted sales tax.
Could a ceiling contractor prove wholesale sales without reseller documents, exclude claimed family gifts from bank-deposit income, or waive a penalty because it tried in good faith?
No. The contractor lacked documents or transaction evidence proving wholesale sales, did not substantiate the claimed cash gifts, and could not obtain a penalty waiver based only on good faith or…
Could firewood sellers overturn estimated sales-tax assessments without complete records, and did the evidence support a 50% evasion penalty against the original operator?
No. Washington found the 500-cord annual estimate reasonable without contrary records and upheld the evasion penalty based on prior tax knowledge, unfiled returns, understated sales, and misleading claims.
Could a Washington engineering firm apportion service income to foreign countries without proving business-activity tax or substantial nexus there?
No. It supplied no country-specific tax, property, payroll, or receipts evidence, and lack of notice or knowledge of changed law did not justify penalty waiver.
How did Washington classify construction-debris hauling to third-party recyclers, a recycling-facility trackhoe, and tax on defective containers?
Hauling customers' recyclable material to third-party facilities was transportation subject to PUT; sorting and packaging were not manufacturing, and container tax used the amount actually paid.
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These are official tax letter rulings and advisory opinions issued by Washington's revenue authority in response to questions from specific taxpayers about how the tax law applies to their facts. A ruling is binding on the department only for the taxpayer who requested it and cannot be relied on by anyone else, but it is strong evidence of how the state reads the law. Every ruling above has a plain-English question and short answer, plus a link to the full original source.