What Happens When Washington DOR Classifies Your Business Incorrectly?

Washington businesses are taxed according to what they actually do, not simply according to the name of the company or how the owner describes the business.

That distinction can become important when the Washington State Department of Revenue determines that income should have been reported under a different business and occupation tax classification, that a transaction was subject to retail sales tax, or that part of a company's revenue belonged under a different tax treatment.

Depending on the activity, an incorrect classification may change whether retail sales tax should have been collected, whether a deduction or credit is available, and how several years of prior transactions are treated during an audit.

At Lana Kurilova Rich, PLLC, Washington Department of Revenue matters often require both legal and accounting analysis. The issue is not just the classification shown on the tax return, but whether the facts of the business activity fit the classification DOR is applying.

What Does a Washington DOR Business Tax Classification Mean?

Washington's business and occupation tax, usually called the B&O tax, is imposed on the gross income of businesses conducting taxable activities in the state.

The applicable tax treatment depends on the type of business activity.

Common B&O classifications include:

• Retailing
• Wholesaling
• Manufacturing
• Service and other activities
• Royalties
• Extracting
• Specialized classifications created for particular industries or activities

The classification question can also affect taxes beyond B&O tax. An activity classified as a retail sale, for example, may create an obligation to collect and remit retail sales tax.

A classification dispute is therefore usually about how a particular activity or source of income is treated under Washington tax law, not about what industry a company belongs to.

This is also different from employee-versus-independent-contractor classification disputes handled by agencies such as the Washington Employment Security Department or Department of Labor & Industries.

Can One Business Have More Than One B&O Tax Classification?

Yes.

A common mistake is assuming that every Washington business belongs in one tax category.

The Department of Revenue expressly recognizes that a business conducting several types of activities may need to report income under more than one B&O tax classification.

For example, the same company could potentially:

• Sell products at retail
• Sell products for resale
• Manufacture products
• Perform professional services
• License intellectual property
• Perform another separately classified activity

The correct treatment depends on what produced the income.

This means that the real question in many classification disputes is not:

What kind of company is this?

It is:

What activity produced this particular revenue, and how does Washington law classify that activity?

When several revenue streams have been grouped together under a single classification, an audit may expose a disagreement over how those streams should have been separated.

How Does an Incorrect DOR Classification Happen?

Classification problems can arise in several ways.

The original return used the wrong classification

A business owner, bookkeeper, accountant, or tax preparer may report revenue under a classification that does not accurately reflect the activity.

This can happen because the business misunderstood the rules, relied on a classification that seemed generally appropriate, or failed to separate several different activities.

The business changes over time

A company may begin with one type of service and later add products, digital offerings, construction work, licensing, consulting, or other activities.

The tax treatment that was appropriate when the company started may no longer accurately describe everything the business does.

DOR reaches a different conclusion during an audit

An auditor may review contracts, invoices, customer transactions, accounting records, and the nature of the work performed and determine that income belongs under another classification.

The business may agree with that determination, or there may be a legitimate dispute over how the law applies to the facts.

A transaction contains both service and retail components

Washington tax law can distinguish between professional services and activities that constitute retail sales.

When a transaction contains several components, the legal characterization of what the customer purchased can become important.

Different business activities were combined in the accounting records

Even where several classifications legitimately apply, inadequate accounting separation can make it difficult to establish which revenue belongs in each category.

The underlying books and records therefore matter substantially when a classification becomes disputed.

Why Does the Correct Classification Matter?

Different B&O classifications can carry different tax rates and different reporting requirements.

But the potential effect can go further.

A classification decision may determine:

• Which B&O tax applies
• Whether retail sales tax should have been collected
• Whether a transaction was wholesale rather than retail
• Whether particular deductions apply
• Whether particular credits apply
• Whether multiple activities need to be reported separately
• Whether tax was overpaid
• Whether additional tax is due
• Whether penalties and interest are added to an assessment

During an audit covering several reporting periods, what appears to be a relatively small classification difference can therefore affect a much larger group of transactions.

The amount at issue should be calculated from the actual transactions rather than from the classification label alone.

What Does DOR Look at When Determining the Correct Classification?

The classification should follow the substance of the business activity.

The relevant evidence will depend on the issue, but it may include:

• Customer contracts
• Statements of work
• Invoices
• Purchase orders
• Product descriptions
• Service descriptions
• Accounting records
• General ledger entries
• Sales records
• Reseller permits
• Customer exemption documents
• Records showing where goods were delivered
• Documentation showing where services were performed or received
• Website descriptions of the company's services or products
• Correspondence with customers
• Prior tax returns
• Prior DOR guidance or correspondence

The language used in a contract or invoice can be important, but labels do not necessarily control the tax result if the actual transaction operates differently.

For that reason, a classification dispute may require reconstructing what the business actually provided to its customers during the audit period.

Can DOR Reclassify a Business During an Audit?

DOR audits can include verification of whether income was reported under the proper tax classifications.

If an auditor concludes that the business used an incorrect classification, DOR may calculate additional tax based on the classification it believes should have applied.

That can create several possible issues.

The business may dispute:

• The auditor's characterization of the activity
• The amount of revenue assigned to the classification
• Whether retail sales tax applied
• Whether an exemption was available
• Whether a deduction or credit was overlooked
• Whether some transactions belonged in a different period
• Whether multiple activities were improperly combined
• Whether the auditor had complete documentation

The audit stage is therefore important. It may be possible to resolve a classification disagreement before a final assessment is issued by supplying additional records and explaining the factual and legal basis for the business's position.

When a disagreement cannot be resolved with the auditor, Washington's review process provides additional opportunities to challenge the Department's position.

What Should You Do If You Disagree With a DOR Auditor?

The response should begin with the specific issue DOR identified.

A business should determine:

1. What activity DOR reclassified. Identify the exact revenue, transaction type, product, service, or reporting period at issue.
2. What classification DOR applied. Do not assume the dispute affects every part of the business.
3. What classification the business believes applies. The alternative position should be tied to the actual activity and applicable Washington authority.
4. Why the classifications produce different tax results. Determine whether the disagreement changes B&O tax, retail sales tax, deductions, credits, penalties, or another item.
5. What records support the business's position. Contracts, invoices, transaction records, accounting records, reseller permits, and other documentation may be critical.
6. Whether DOR has already issued an assessment. The procedural options change significantly once a formal assessment has been issued.

Before an assessment is final, a taxpayer may also have an opportunity to discuss unresolved audit issues with a supervisor.

The important point is to address the actual disputed transaction and legal classification rather than responding only with a general description of the business.

How Do You Challenge a Washington DOR Assessment?

Once DOR issues an assessment, deadlines become important.

Washington provides an administrative review process for taxpayers who disagree with assessments of tax, penalties, or interest.

For an assessment, a written request for review generally must be filed within 30 days after the assessment is issued, subject to any properly obtained extension.

The petition should identify:

• The assessment being challenged
• The tax periods involved
• The specific issues being protested
• The amount of tax, penalties, or interest in dispute
• Why the Department's determination is incorrect
• The relief being requested
• Supporting documents
• Applicable statutes, regulations, or other legal authority where appropriate

A business generally does not have to pay an assessment that is not yet due before requesting administrative review. The disputed amounts can be placed on hold while the review proceeds, although interest can continue to accrue on unpaid tax.

Because the review deadline is short, a business that receives a DOR assessment should identify the due date immediately.

Can You Get More Time to File a DOR Review Petition?

An extension may be available, but it should be requested before the assessment's review deadline expires.

A taxpayer should not assume that informal discussions with the auditor automatically extend the time to seek administrative review.

If additional time is needed to collect records, quantify the disputed amount, or prepare the petition, the extension should be addressed through the Department's established review procedure before the deadline.

What Happens If You Miss the DOR Appeal Deadline?

Missing the administrative review deadline changes the available options.

Under Washington law, if a taxpayer does not timely petition for correction of an assessment, the assessment can become final.

That does not necessarily mean every possible remedy disappears, but the procedural posture becomes more difficult. Depending on the circumstances, a taxpayer who pays disputed tax may have a separate refund procedure available, subject to Washington's refund rules and time limits.

Because those rules raise a separate set of issues, the safer approach is to preserve the original administrative review rights whenever possible rather than relying on a later refund claim.

What If the Business Discoveres the Classification Error Before DOR Does?

A business does not have to wait for an audit to correct a reporting problem.

If the company discovers that income was reported incorrectly, it may be possible to amend the affected Washington excise tax returns.

The consequences depend on the direction of the error.

If the business underpaid tax

Correcting the return may result in additional tax, interest, and potentially penalties.

The business should determine the total exposure before assuming that simply changing a classification on the current return will correct earlier reporting periods.

If the business overpaid tax

A business that paid too much tax may be able to request a refund or credit.

Washington imposes time limits on refund claims, so older overpayments should be reviewed promptly.

The Department currently allows registered businesses to seek a refund by amending an excise tax return or submitting an application for refund or credit, provided the claim falls within the applicable refund period.

What If DOR Says a Service Should Have Been Subject to Sales Tax?

This can be one of the more significant classification disputes.

Some businesses think of themselves as service companies, but Washington law treats certain services as retail activities.

If DOR determines that a transaction was a retail sale, that can change the B&O tax classification and the obligation to collect and remit retail sales tax.

That distinction can become particularly important if the business did not collect sales tax from its customers at the time of the transaction.

Whether a transaction is taxable should be determined from the actual service or product being provided and the Washington statutes and regulations governing that activity.

A business should not assume that calling an activity a "service," "consulting," or another general term establishes its tax treatment.

Does an Incorrect Classification Automatically Mean Tax Evasion?

No.

A disagreement over the proper tax classification is not automatically evidence of tax evasion or intentional wrongdoing.

Businesses can make classification mistakes because Washington's business tax system distinguishes among many different activities, and some transactions do not fit neatly into a single general category.

There is an important difference between:

• A good-faith disagreement over tax treatment
• An accounting or reporting error
• Negligent compliance
• Knowing failure to report taxable activity
• Collected sales tax that was not remitted
• Intentional concealment or tax evasion

Those circumstances should not be treated as interchangeable.

When DOR raises penalties or alleges intentional conduct, the underlying facts and the legal basis for those assertions should be examined separately from the basic classification issue.

What Records Should a Business Preserve During a Classification Dispute?

A classification case can turn on what the company can prove about the transactions at issue.

Relevant records should be preserved before they are routinely deleted or become difficult to retrieve.

Depending on the business, those records may include:

• Accounting files
• General ledgers
• Bank records
• Sales reports
• Contracts
• Proposals
• Invoices
• Customer correspondence
• Product and service descriptions
• Reseller permits
• Exemption certificates
• Delivery records
• Prior tax returns
• DOR notices
• Audit workpapers
• Communications with the auditor
• Prior tax advice

It is also useful to preserve historical versions of business records that explain what the company actually offered during the audit period.

A current website, for example, may describe a business differently than it operated several years earlier.

What Should You Do First If You Believe DOR Used the Wrong Classification?

The first objective is to determine exactly where the disagreement begins.

That generally means:

1. Identify the transactions and tax periods at issue.
2. Determine what classification was originally used.
3. Determine what classification DOR is proposing or has assessed.
4. Calculate how the different treatment changes the tax.
5. Gather records showing what the business actually provided.
6. Compare those facts with the applicable Washington statutes, regulations, and DOR guidance.
7. Determine whether the matter is still in the audit stage or an assessment has already been issued.
8. Preserve the applicable review deadline.
9. Address penalties and interest separately from the underlying classification when necessary.

The correct response depends on the facts and the stage of the DOR process.

A DOR Classification Dispute Should Be Resolved From the Business Activity Outward

A Washington tax classification should reflect the activity that generated the income.

When DOR and a business disagree about that activity, the strongest analysis generally begins with the transactions themselves, then applies the relevant Washington tax law to those facts.

The label a business has historically used is not necessarily conclusive, and neither is an auditor's characterization simply because it appears in an audit workpaper.

The objective is to determine the proper tax treatment, quantify any resulting liability or overpayment, and preserve the business's review rights before the applicable deadlines expire.

Lana Kurilova Rich, PLLC represents Washington businesses in Department of Revenue audits, assessments, appeals, B&O tax matters, sales tax disputes, and related state tax issues. The firm combines legal representation with in-house accounting support, allowing the underlying records and the tax-law dispute to be addressed together.

The firm is based in Bellevue and represents businesses throughout Washington, as well as out-of-state businesses facing Washington tax obligations.

If the Washington Department of Revenue has reclassified your business activity or issued an assessment you believe is incorrect, the first step is to identify the disputed transactions, the legal basis for the classification, and the deadline for preserving your review rights.