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 investment firms subtract transfer-pricing payments to affiliated subcontractors from gross receipts for Washington B&O tax?
No. The contracting firm earned the full customer fee, and payments to separate affiliates for their services were nondeductible business expenses, not reimbursements.
Could a property transfer be treated as a REET-exempt gift when the grantee promised to refinance the debt but later deeded the property to someone else?
No. The refinancing promise was consideration, and the failed-financing refund rule did not apply because title was not returned to the original seller.
Could a small timber harvester deduct the value assigned to standing timber when the land was purchased from later log-sale receipts?
No. Only costs directly and exclusively tied to harvesting and delivering the timber were deductible; the earlier purchase price of standing timber was not.
Did customizing prewritten business software qualify for Washington's former high-technology R&D B&O credit when projects followed known plans rather than experimental uncertainty?
No. The work was technical but not legally nonroutine because it lacked experimentation, evaluated alternatives, and uncertainty about how to achieve the result.
Could a dairy-property holding company claim Washington's livestock nutrient exemption because its affiliated operating company qualified?
No. The property owner lacked its own milk license, permit, or qualifying nutrient plan, and a separate affiliate's eligibility could not be shared.
How was Washington REET measured when a discounted property sale included a 20-year leaseback but the seller did not value the lease?
The county property-tax value controlled because the leaseback was additional consideration and the seller supplied no method to determine its value.
Did a cloud-platform provider buy physical servers for resale merely because customers paid for virtual machines and remote-access services?
No. The provider consumed the physical servers to deliver digital automated services and did not transfer ownership, title, or possession of the hardware to customers.
Was a property transfer to an LLC exempt from Washington REET when the original owners collectively owned only half of the LLC?
No. Adding a 50% LLC partner changed beneficial ownership, and the LLC interests received for the property were consideration that defeated the clearing-title exemption.
Which museum expansion purchases qualified for Washington's artistic-and-cultural exemption or public-road-construction treatment?
Interactive display tables qualified, but donor signs, storage shelving, general building systems, planters, and building canopies did not.
How did Washington classify human-tissue transfers for research compared with fees for tissue transplantation services?
Research and quality-control tissue sales were retailing B&O receipts exempt from sales tax, while transplantation processing and matching fees were service B&O receipts.
Were Washington hunting-guide services taxable before the law expressly listed guided hunting in 2016, and could ignorance support a penalty waiver?
Yes, the services were already taxable amusement and recreation in 2014-2015. No penalty waiver applied because misunderstanding the tax law was within the guide's control.
Was a Washington assessment valid when the Department sent it to the taxpayer's secure inbox but the taxpayer never opened the message?
Yes. Electronic transmission made the assessment received by law even if unread, and a 29% penalty applied to tax the taxpayer had failed to report and pay on time.
Was an aircraft exempt from Washington use tax as property held solely for lease when an owner's son used it for flight training?
No. The company did not substantiate a genuine lease or payment, and the son's Washington flights were treated as intervening personal use of the aircraft.
Could a purchasing cooperative pay wholesaling B&O tax only on its commission by treating member orders as agency sales or deductible pool purchases?
No. It did not establish a principal-agent agreement, and the purchases were not joint pool purchases because the cooperative bought no share for itself and resold all goods to members.
Did Washington's four-year assessment period begin when high-technology project costs were incurred or when deferred tax became due after project certification?
It began when the deferred tax became due. Partial certification in 2016 made tax on nonqualifying project costs payable, so the 2018 assessment was timely despite 2010–2011 purchases.
Could an auto shop exempt parts installed for a nonresident without the required residency and out-of-state-use records, and could it recover overcollected tax before refunding customers?
No. The shop lacked required records and marked parts above cost without public prices. It also had to repay customers before seeking a refund of tax they had paid.
Did rescinding a completed home sale entitle the developer to a refund of Washington REET paid on the original transfer to the buyers?
No. The original sale remained a completed taxable event. The rescission exemption applied to the separate reconveyance back to the developer, on which no REET had been paid.
Was Washington hazardous substance tax measured by a purchased radioisotope's wholesale value or by the value of finished cancer-treatment seeds and needles containing it?
The tax base was the fair-market wholesale value of the listed radioisotope at first Washington possession, not the full value of finished products not separately designated hazardous.
Did a roughly 20-month delay before full production disqualify a soft-drink bottling line from Washington's manufacturing machinery and equipment exemption?
No. The M&E statutes impose no deadline for beginning direct use. The line eventually performed qualifying manufacturing functions, and the other exemption elements were undisputed.
Was REET measured by the full property value when a 32% tenant in common bought only the remaining 68%, despite documents listing the whole value?
No. The buyer paid only for the 68% he did not own. A recent unrelated offer established the whole property's value, and REET was limited to the consideration for the conveyed interests.
Did parents qualify for Washington's clearing-title REET exemption when their son paid them mortgage proceeds as they quitclaimed their ownership interests to him?
No. The parents funded and co-owned the property, and the son's payment was consideration for their interests. They were not merely loan co-signers exiting title without payment.
Could a for-profit, degree-granting college deduct tuition receipts from Washington B&O tax when its programs primarily prepared students for specific careers?
No. The career-focused programs, accreditation, limited general education, and vocational authorization made it a degree-granting private vocational school excluded from the tuition deduction.
Was a boundary-line transfer exempt from Washington REET when an adjacent owner paid money for the strip as part of settling the dispute?
No. The dispute-settlement exclusion applies only when no other consideration is present. The adjacent owner's payment made the quitclaim a taxable sale measured by that payment.
Did a vessel used for paid sightseeing cruises from Washington to out-of-state ports qualify for interstate-commerce vessel and fuel tax exemptions?
Yes. Sightseeing did not prevent the vessel from transporting persons for hire in interstate commerce. The vessel qualified, and fuel used outside Washington was exempt; in-state fuel use remained taxable.
Did an owner's transfer of two mortgaged properties to a partly owned LLC create REET consideration when the LLC had always made the mortgage payments?
No. Thirteen years of bank and mortgage records showed the LLC paid the debt both long before and after receiving title, so those payments were not exchanged for the transfer.
Could a distributor prove sales were wholesale when it failed to obtain the buyer's reseller permit or other approved documentation within 120 days?
Yes. Complete invoices, bulk resale-type purchases, store and inventory photos, business records, and a later reseller permit established the wholesale facts and circumstances.
Did Washington's nominee-transfer REET exclusion apply when a father used his own down payment and loan to buy a 50% property interest later transferred to his sons?
No. The sons did not provide the original acquisition funds, so the father failed a required nominee element. REET applied, and the assessment was sustained using the property's value at transfer.
Could a manufacturer reduce wholesaling B&O gross proceeds by special-price rebates whose amount was determined when distributors later sold inventory to end users?
No. The later rebates were not fixed or knowable when distributors bought the inventory and were not part of a single sale transaction, so they were not bona fide discounts under Rule 108.
Did an out-of-state online retailer have Washington nexus when its marketplace facilitator stored seller-owned inventory in Washington fulfillment centers?
Yes. The seller retained ownership and seller-of-record status while its goods were stored in Washington, creating physical-presence nexus under the rules governing the 2014–2017 audit period.
Were a waste collector's separately itemized pickup and delivery charges taxable container rentals, and did the business qualify for penalty or interest relief?
The hauling charges were waste-collection service income because they reflected pickup and delivery, not container use. Only separately billed late rental fees were retail; penalty and interest…
How was Washington REET measured when a 50% owner quitclaimed her interest to the remaining owners for cash and relief from the property's mortgage?
REET applied to the cash paid plus 50% of the outstanding mortgage debt from which the seller was relieved. The county's full assessed value was not the proper measure because consideration was…
Could a Washington port operator apportion stevedoring income outside the state based on the cargo's eventual destination?
No. The shipping-company customers received the loading, unloading, monitoring, and storage services at the Washington port, and the operator showed no taxable presence elsewhere. All stevedoring…
Could a medical provider deduct federal electronic-health-record incentive payments as donations or contributions from Washington B&O tax?
No. The payments required meaningful use of certified electronic records and advanced a federal program, so they were not gratuitous donations or contributions.
Did a distribution center qualify for Washington's preferential warehousing B&O rate, and how were its affiliate-service receipts apportioned?
No preferential warehousing rate applied because the affiliates did not pay for storage. Service receipts had to be apportioned by each service and the property's location or destination.
Could an auto-parts seller defeat estimated retail sales, wholesale reclassification, or Washington sourcing with nonsequential invoices and billing addresses?
Mostly no. Incomplete invoices justified estimates and retail treatment; billing addresses did not prove out-of-state delivery, though two invoices supported adjustments.
Were a parent company's vendor payments and intercompany charges excluded from Washington B&O tax as advances, reimbursements, or imputed income?
Mostly no. Liability to vendors and receivable/payable records showed taxable intercompany transactions, though affiliate-only expenses and audit duplicates were removed.
Could an architectural firm exclude client payments used to pay third-party consultants as advances or reimbursements, and could it waive penalties while on active nonreporting status?
No. The firm did not prove it acted solely as its clients' agent or lacked liability for consultant costs, and active nonreporting status did not excuse its failure to notify, file, and pay.
Did a logger prove that a bulldozer supporting both extracting and manufacturing equipment met Washington's M&E majority-use test?
No. The logger did not provide comprehensive, time-based records proving that qualifying support of the yarder exceeded 50% of the bulldozer's total use.
Were payments from an affiliated company excluded as reimbursements, and could incomplete records defeat Audit's local-sales-tax allocation?
No. Separate entities' payments were taxable without transaction-level proof of true agency, and missing delivery records justified Audit's proportional location estimate.
Were percentage payments to a mobile concession operator nontaxable joint-venture profit shares when the contracts called it an independent contractor earning commissions?
No. The contracts expressly rejected a joint venture and paid commissions to an independent subcontractor. Affidavits describing a shared undertaking did not overcome the agreements, so the…
Did an IRC § 1060 allocation assigning no residual value to mill real estate prevent Washington from using the county assessment for REET?
No. A § 1060 residual allocation can assign less than fair market value to real estate. Because the waterfront parcels and improvements plainly had value, the zero allocation was unreasonable;…
Did a retailer's Washington warehouse qualify for the distribution-center equipment sales-tax remittance when it also shipped online orders directly to customers?
No. The statutory definition required exclusive use solely to store and distribute finished goods to the retailer's own outlets. Direct-to-customer fulfillment from the same warehouse disqualified…
Could a building qualify for Washington's high-unemployment-county tax deferral when its permit and footing work preceded the deferral application?
No. The application had to precede initiation of construction, and the original permit and footing inspection occurred before the application and certificate.
Did an aerospace kit designer qualify for preferential manufacturing or product-development B&O rates, or a credit for development expenses from other years?
No. It did not manufacture the parts or perform development for others, and the credit could not be carried to years without the matching expenditures and liability.
Was Washington use tax on hotel furnishings bought at a sheriff's sale measured by the forced-sale allocation reported on the REET affidavit?
No. A sheriff's sale was not arm's length because the owner was forced to sell, so use tax was based on fair market value. With no reliable asset list or allocation from the buyer, the Department…
Did Washington's historical renewable-energy sales-tax refund cover solar-system design, engineering, and permitting charges?
No. The 75% refund covered qualifying generating equipment and labor directly installing it. Design, engineering, and permitting occurred before actual installation and did not qualify merely…
Could a business keep a Washington rural sales-and-use-tax deferral after abandoning the approved building site because of unexpected stormwater requirements?
No. The deferral was approved for a qualified building at a specific location, and the rule prohibited amending the application to change that location. Unexpected site conditions did not create an…
Did an online seller have Washington nexus when its marketplace fulfillment program reassigned seller-owned inventory to Washington warehouses?
Yes. The seller voluntarily allowed inventory commingling and reassignment, retained ownership until sale, and could track or opt out of the process. Even small amounts of seller-owned inventory…
Could a Washington contractor overturn an estimated tax assessment with incomplete reconstructed records, and avoid tax on materials used for Fannie Mae projects?
No. The Department reasonably estimated income after repeated incomplete and inconsistent records. Fannie Mae was a government instrumentality, making the contractor the taxable consumer of…
Did a hotel prime contractor owe Washington B&O and sales tax on owner-paid project costs that were outside its stated construction contract?
No, not on costs the owner separately incurred and was solely responsible for. The contractor's measure was the stated contract price plus any additions. But it received no extra tax-paid-at-source…
Was a Washington refund application valid for two UBI numbers when both appeared only on an attached workpaper rather than every page of the packet?
Yes. Rule 229 required the taxpayer name and UBI in the written application but did not require a particular form or placement. The attached workpaper was part of the packet and listed both UBIs, so…
Could Washington replace the price paid for a 50% property interest with the county's higher assessed value when it had no evidence the transfer was not arm's length?
No. The half-interest price was based on half of a recent foreclosure-auction purchase, and the parties were not shown to be related. Without evidence rebutting the arm's-length presumption, the…
Were cigar or blunt wraps confiscated from a Washington marijuana retailer taxable as other tobacco products when bought from unlicensed distributors?
Yes for the products proved in this case. Their warnings, product descriptions, and industry information showed tobacco or tobacco-derived paper suitable for smoking. Because the retailer bought…
Were separately priced inspection, cleaning, and repair services on large power-plant gas turbines subject to Washington retail sales tax?
Yes. The turbines were real-property fixtures, and repair was the predominant activity under the contracts. That made the combined inspection, cleaning, overhaul, and repair charges retail-taxable…
Were fees for allowing cable companies and other utilities to attach equipment to privately owned utility poles subject to public utility tax or exempt as real-property rent?
Neither. The licenses were unrelated to performing the light-and-power business, so PUT did not apply; but they were nonexclusive licenses, not real-property rentals, so service B&O tax applied.
Was adding a son to title during refinancing exempt from Washington REET when he contributed money toward the closing?
No. His contribution was consideration, so the transfer was taxable; however, the tax measure was reduced to his payment plus half of the underlying debt.
Were mortgage document-review fees, closing charges, and related fees attributed to Washington as loan-service fees when the property and borrower were in Washington?
Yes. The fees were loan-service fees even when earned during origination, so the historical rules attributed them to Washington based on the mortgaged property's or borrower's location. The…
Could a property-management company obtain a Washington B&O penalty waiver because it mistakenly claimed a rental exemption and the Department did not correct it sooner?
No. Knowing and accurately reporting the business activity was the taxpayer's responsibility. A good-faith misunderstanding and the Department's failure to detect it were not circumstances beyond…
Could 4-D ride operators recover sales tax they remitted when their website advertised ticket prices as including tax?
No. The website showed that customers paid tax as part of the ticket price, so the operators first had to refund customers before seeking a Department refund.
Did a completed agricultural employee housing exemption certificate protect a contractor from uncollected Washington retail sales tax?
Yes. The contractor had no duty to investigate the buyer's eligibility, but it still had to remit the small amount of sales tax it actually collected.
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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.