Exclusion

Ferrosilicon

Retail Sales & Use Tax exclusion · RCW 82.04.050(1)(a)(iv); 82.04.190(1)(d) · enacted 1986

All exemptions & deductions

No 2025–26 change identified — this preference was reviewed against the 2025–26 session laws and is unchanged from the 2024 study baseline.

Details

Citation
RCW 82.04.050(1)(a)(iv); 82.04.190(1)(d)
Study reference
E1534-1
Tax type
Retail Sales & Use Tax
Preference type
Exclusion
Category
Other
Year enacted
1986
End date
None scheduled

Fiscal impact (2024 study estimates)

Revenue if repealed — local ($M)
FY 2024: 0 · FY 2025: 0 · FY 2026: 0 · FY 2027: 0
Revenue if repealed — state ($M)
FY 2024: 0 · FY 2025: 0 · FY 2026: 0 · FY 2027: 0
Taxpayer savings — local ($M)
FY 2024: 0 · FY 2025: 0 · FY 2026: 0 · FY 2027: 0
Taxpayer savings — state ($M)
FY 2024: 0 · FY 2025: 0 · FY 2026: 0 · FY 2027: 0

CTI = confidential taxpayer information · D = unable to disclose

From the 2024 DOR Tax Exemption Study

82.04.050(1)(a)(iv); 82.04.190(1)(d) - Ferrosilicon Description The definition of retail sale excludes property used in producing ferrosilicon, which is then used to make magnesium. These sales are classified as wholesale transactions. The exempt items must be used primarily to create a chemical reaction with an ingredient of ferrosilicon. Purpose To encourage magnesium production businesses to locate in Washington. Taxpayer ($ in millions): savings FY 2024 FY 2025 FY 2026 FY 2027 State Taxes $0.000 $0.000 $0.000 $0.000 Local Taxes $0.000 $0.000 $0.000 $0.000 Repeal of Repealing this exemption would not increase revenue because currently no exemption taxpayers use it. Potential ($ in millions): revenue gains FY 2024 FY 2025 FY 2026 FY 2027 from full repeal State Taxes $0.000 $0.000 $0.000 $0.000 Local Taxes $0.000 $0.000 $0.000 $0.000 Assumptions No taxpayers currently use this exemption. We expect no usage during the forecasted period of this study. Data Sources Department of Revenue, Excise tax data Additional Additional Information Information Category: Business Year Enacted: 1986 Primary Beneficiaries: Businesses using ferrosilicon Taxpayer Count: 0 Program Inconsistency: None

Does this apply to you?

This is reference data from the 2024 study — not advice, and 2025–26 legislation may have changed it. Three ways to go deeper: