New York Contractor Sales tax audit

New York Sales Tax Audits of Construction Contractors: Rules, Risks, and How to Prepare

Construction contractors face some of the most complicated sales and use tax rules in New York. A contractor may perform one project that is exempt from sales tax as a capital improvement and another project that is fully taxable as a repair, maintenance, or installation service.

These distinctions frequently become a major issue during a New York sales tax audit of a construction contractor. The New York State Department of Taxation and Finance may examine customer invoices, contracts, material purchases, subcontractor payments, exemption certificates, and other records to determine whether the contractor properly collected and paid sales and use tax.

For contractors facing an audit, understanding how New York classifies construction work is critical.

How Does New York Sales Tax Apply to Construction Contractors?

New York generally divides construction work involving real property into two major categories:

Capital improvements, which generally are not subject to sales tax when billed to the property owner; and
Repair, maintenance, and certain installation services, which generally are subject to sales tax.

The distinction can dramatically affect the outcome of a sales tax audit.

A contractor that mistakenly treats taxable repair work as a capital improvement could potentially be assessed tax on the entire taxable receipt, including labor and materials. Conversely, a contractor performing a legitimate capital improvement generally does not collect sales tax from the customer.

What Is a Capital Improvement in New York?

Under New York’s sales tax rules, an addition or alteration to real property generally qualifies as a capital improvement when it satisfies all three of the following requirements:

It substantially adds to the value of the real property or appreciably prolongs its useful life;
It becomes part of the real property or is permanently affixed so that removal would cause material damage to the property or the item itself; and
It is intended to be a permanent installation.

Common examples can include constructing a deck, installing kitchen cabinets, or installing a hot water heater.

Whether a particular construction project qualifies, however, can depend heavily on the facts and the manner in which the property is installed.

New York Publication 862 provides classifications for numerous types of construction activities, but contractors should not assume that every large construction project automatically constitutes a capital improvement.

Capital Improvements Are Generally Not Taxable to the Customer

When a contractor performs a qualifying capital improvement, the contractor generally does not charge sales tax to the customer.

Instead, the contractor normally pays sales tax when purchasing the building materials incorporated into the project. The sales tax paid on those materials becomes part of the contractor’s cost of performing the capital improvement.

This is one area that can cause confusion during an audit.

A contractor might incorrectly believe that because the project is a tax-exempt capital improvement, the contractor can purchase all of the construction materials tax-free. Generally, that is not the rule.

For ordinary capital improvement projects, the contractor generally pays sales tax when purchasing its materials and does not collect sales tax from the property owner on the capital improvement contract.

The Importance of Form ST-124

Documentation becomes extremely important during a New York construction contractor sales tax audit.

When performing a capital improvement, the contractor should obtain a properly completed Form ST-124, Certificate of Capital Improvement, from the customer.

The certificate helps establish why sales tax was not collected on the project.

A properly completed ST-124 can relieve the contractor from liability for tax due on the work covered by the certificate. However, the absence of an ST-124 does not necessarily mean that the contractor automatically owes sales tax. New York’s guidance recognizes that contracts and other project records may still be used to establish that the work constituted a capital improvement.

This distinction can become extremely important in an audit involving older projects where certificates are missing.

Repairs and Maintenance Are Generally Taxable

New York treats repairs and maintenance to real property differently from capital improvements.

Repair and maintenance generally involve keeping property in working order, readiness, or safety, or restoring property to that condition.

Examples can include:

Repairing a broken railing;
Repointing a chimney;
Replacing damaged roof shingles;
Replacing a faucet;
Painting existing property in circumstances classified as maintenance; and
Certain plumbing or electrical repairs.

When a contractor performs taxable repair, maintenance, or installation services, the contractor generally must collect sales tax from the customer.

Importantly, the taxable receipt generally includes both labor and materials, along with taxable expenses and markups included in the charge.

This can produce surprisingly large assessments when a contractor has treated repair work as nontaxable.

For example, if a contractor performed $2 million of projects that an auditor reclassifies from capital improvements to taxable repairs, the potential exposure is not necessarily limited to the materials. The auditor may assert sales tax against the taxable receipts from the projects, subject to applicable credits, exemptions, and other defenses.

The Difference Between a Repair and Capital Improvement Can Be Complicated

One of the central issues in many contractor audits is determining whether work constituted a repair or a capital improvement.

The dollar amount of a project does not necessarily determine its tax treatment.

Replacing or installing an entire system may potentially qualify as a capital improvement, while repairing components of an existing system may constitute taxable repair or maintenance.

The contractor should therefore be prepared to establish the actual scope and purpose of the work.

Useful documentation may include:

Construction contracts;
Proposals and scopes of work;
Change orders;
Customer invoices;
Architectural plans;
Engineering documents;
Building permits;
Photographs;
Certificates of occupancy;
ST-124 certificates;
Subcontractor agreements; and
Evidence showing how equipment or materials were permanently attached to the property.

A well-documented project can be much easier to defend than an invoice containing only a vague description such as “construction services.”

Sales Tax on Materials Purchased by Contractors

New York contractors generally pay sales tax when purchasing building materials and other tangible personal property.

For a capital improvement project, the contractor ordinarily pays tax on materials and incorporates that tax into the cost of performing the job. The contractor generally cannot claim a credit for sales tax paid on materials incorporated into a capital improvement.

The rules can be different when materials are incorporated into a taxable repair, maintenance, or installation project.

When the contractor pays sales tax on materials and subsequently transfers those materials to the customer as part of a taxable service on which the contractor collects sales tax, the contractor may qualify for a sales tax credit for tax previously paid on qualifying materials.

Contractors should therefore carefully review purchase invoices during an audit. An audit should not focus exclusively on additional tax allegedly due; potential credits should also be identified and substantiated.

Subcontractors Create Additional Sales Tax Issues

Subcontractor transactions are another frequent source of problems.

The tax treatment may depend on the nature of the underlying project and the relationship between the general contractor and subcontractor.

For taxable work, a contractor purchasing qualifying subcontractor services for resale may be able to provide Form ST-120.1, Contractor Exempt Purchase Certificate, rather than paying sales tax to the subcontractor.

For capital improvement work, appropriate capital improvement documentation should be maintained.

Contractors should not assume that every payment to a subcontractor is automatically exempt simply because the subcontractor worked at a construction site.

Tax-Exempt Customers and Government Projects

Special rules may apply when construction work is performed for governmental entities or qualifying tax-exempt organizations.

Depending on the circumstances, qualifying building materials transferred to an exempt customer as part of the project may potentially be purchased without sales tax using the appropriate exemption documentation.

During an audit, contractors should identify these projects separately rather than allowing an auditor to treat all purchases or receipts alike.

The exemption depends heavily on the customer, contractual arrangement, nature of the project, purchases involved, and documentation maintained by the contractor.

What Records Will New York Request During a Construction Sales Tax Audit?

New York requires sales tax vendors to maintain books and records sufficient to determine the correct amount of sales and use tax due.

A construction contractor undergoing an audit may be asked to provide records such as:

General ledgers;
Sales journals;
Customer invoices;
Bank statements;
Federal and state income tax returns;
Sales tax returns;
Purchase journals;
Vendor invoices;
Credit card statements;
Contracts;
Job-cost reports;
Subcontractor invoices;
Fixed asset records;
Exemption certificates; and
Electronic accounting data.

Records generally must be retained for at least three years from the applicable return due date or filing date, as provided under New York’s recordkeeping requirements.

Electronic records may also have to be produced in an electronically readable format.

What Happens if a Contractor’s Records Are Inadequate?

Recordkeeping can significantly affect the outcome of a New York sales tax audit.

The Department may consider records inadequate when, among other things, they do not establish sales receipts, do not allow the taxable status of individual transactions to be determined, fail to substantiate purchases, or otherwise do not permit the Department to conduct a complete audit.

When records are inadequate, New York may use an estimated audit methodology to determine additional tax.

This can substantially increase a contractor’s exposure.

Instead of examining each individual transaction, the auditor may potentially use available records, samples, ratios, or other audit techniques to estimate tax over the audit period.

For that reason, one of the first issues that should be evaluated in a contractor audit is whether the taxpayer’s books and records are adequate and whether the Department’s proposed audit methodology is appropriate.

Can New York Use Sampling in a Sales Tax Audit?

Yes.

The New York State Department of Taxation and Finance recognizes several audit methods, including:

Detailed transaction testing;
Test-period auditing; and
Statistical sampling.

The method selected may depend on factors such as the size of the contractor, the volume of transactions, the quality of the records, and the complexity of the business.

For large contractors with thousands of purchase invoices or transactions, computer-assisted auditing and statistical sampling can become particularly important.

The sample itself should be carefully reviewed. Errors involving classification, credits, exempt transactions, duplicate items, non-New York transactions, or unusual one-time purchases can potentially distort an extrapolated assessment.

How Far Back Can a New York Sales Tax Audit Go?

A New York tax audit generally covers approximately a three-year period, and New York generally applies a three-year statute of limitations to tax audits.

There are important exceptions.

The normal limitation period may not apply in certain circumstances, including where required returns were not filed or where a false or fraudulent return was filed with an intent to evade tax.

The Department may also ask a taxpayer to sign a consent extending the statute of limitations while an audit remains pending.

Contractors should understand the consequences of extending an assessment period before signing a statute extension.

Use Tax Is a Major Issue in Contractor Audits

Contractors should not focus exclusively on whether they collected enough sales tax from customers.

Auditors may also examine the contractor’s purchases for unpaid use tax.

Potential areas of exposure can include:

Equipment;
Tools;
Materials purchased without New York sales tax;
Online purchases;
Out-of-state purchases subsequently used in New York;
Supplies;
Certain rentals; and
Other taxable business purchases.

An audit can therefore involve two distinct areas of exposure: sales tax that should allegedly have been collected from customers and use tax that should allegedly have been paid on purchases.

Common Problems Found During New York Contractor Sales Tax Audits

Construction contractor audits frequently involve disputes concerning:

Capital improvements versus taxable repairs;
Missing ST-124 certificates;
Improper exemption certificates;
Sales tax on materials;
Unreported use tax;
Subcontractor transactions;
Government and exempt-organization projects;
Incorrectly claimed sales tax credits;
Taxable labor incorrectly treated as exempt;
Materials purchased outside New York;
Improper resale certificates;
Inadequate books and records; and
Audit sampling or extrapolation methodologies.

The proper defense depends on the underlying transactions and documentation.

What Happens at the Beginning of a New York Sales Tax Audit?

For a field audit, the Department generally contacts the taxpayer and schedules an initial appointment. New York’s published audit procedures state that field audits are ordinarily scheduled at least 15 days in advance.

The taxpayer receives correspondence identifying records the auditor wants produced.

At the opening conference, the auditor generally explains the audit procedures, proposed approach, and the taxpayer’s protest and appeal rights.

This initial stage is important.

Before providing large volumes of records, a contractor and its representative should understand the scope of the audit, periods under examination, records requested, proposed testing methodology, and major potential areas of exposure.

Contractors Have the Right to Representation

A contractor does not have to handle a New York sales tax audit without professional representation.

New York recognizes a taxpayer’s right to representation during an audit. Depending on the authorization provided, an attorney, CPA, enrolled agent, or other qualified representative may communicate with the Department on the taxpayer’s behalf.

For a construction contractor facing potentially substantial exposure, representation can be particularly valuable because many disputes involve both accounting issues and interpretation of New York’s construction sales tax rules.

What Happens if You Disagree With the Audit?

An auditor’s proposed assessment does not necessarily end the matter.

Taxpayers have administrative protest rights and may challenge the Department’s findings through the applicable New York administrative procedures.

Depending on the procedural posture of the case, disputes may involve a request for a conciliation conference or a formal challenge through the Division of Tax Appeals.

Deadlines are extremely important. A contractor that receives a formal assessment or statutory notice should determine the applicable protest deadline immediately.

How Construction Contractors Can Prepare for a New York Sales Tax Audit

Contractors should organize their records before substantive audit testing begins.

Particular attention should be given to projects classified as capital improvements. The contractor should determine whether each project actually satisfies New York’s capital improvement requirements and locate the supporting ST-124 certificates, contracts, plans, invoices, and other documentation.

Taxable projects should also be reviewed to determine whether the contractor properly collected sales tax and whether credits are available for sales tax previously paid on materials.

Purchase records should separately be reviewed for potential use tax exposure.

Most importantly, contractors should avoid assuming that an auditor’s initial classification of a transaction is necessarily correct. Construction sales tax is highly fact-specific, and seemingly small differences in the nature or method of installation can affect the tax treatment.

Facing a New York Construction Contractor Sales Tax Audit?

A New York sales tax audit of a construction contractor can involve much more than reviewing sales tax returns. The Department may examine individual construction projects, capital improvement classifications, exemption certificates, subcontractor transactions, material purchases, use tax, sales tax credits, and the contractor’s accounting records.

The potential assessment can become substantial when an auditor attempts to reclassify several years of construction receipts or extrapolate errors across an audit period.

Contractors receiving an audit notice should consider having the transactions and proposed audit methodology reviewed before agreeing to an assessment.

A knowledgeable New York sales tax audit attorney can evaluate the contractor’s capital improvement documentation, taxable repair classifications, exemption certificates, purchase records, available credits, sampling methodology, penalties, and administrative appeal options.

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