Do Louisville retailers collect a city sales tax in addition to Kentucky’s rate?

Louisville retailers collect state sales tax as provided by Kentucky law; local city sales taxes for general retail sales are not described on the cited state sales and use tax overview page, so consult the Kentucky Department of Revenue and local licensing offices for any local fees or licensing requirements.

How do I register to collect sales tax?

Register through the Kentucky Department of Revenue or state business registration portal listed on the department website; follow the registration steps and obtain your account number before collecting tax.

What records should I keep in case of an audit?

Keep sales journals, invoices, receipts, exemption and resale certificates, point-of-sale reports and bank records to support reported taxable sales and tax remitted.

Louisville Sales Tax Rules for Retailers

Taxation and Finance Kentucky 4 Minutes Read · published February 08, 2026

Retailers operating in Louisville, Kentucky must follow Kentucky's sales and use tax rules and any applicable local licensing requirements. This guide explains when to register, how to collect the state sales tax rate, recordkeeping expectations, filing and payment steps, audits and enforcement pathways, and practical compliance tips for brick-and-mortar and online sellers. It emphasizes the roles of the Kentucky Department of Revenue and local Louisville Metro business licensing to help retailers meet obligations and avoid penalties.

When to Register & Who Must Collect

Any retailer making taxable sales in Kentucky must register for a sales and use tax account and collect tax at the point of sale when the transaction is taxable under Kentucky law. Remote sellers with economic nexus into Kentucky should consult the Kentucky Department of Revenue guidance to determine registration thresholds and collection obligations; the state rate applies unless a specific exemption or exception applies. Kentucky Department of Revenue - Sales & Use Tax^[1]

Collection, Rates & Exemptions

State sales and use tax rate: 6% as published by the Kentucky Department of Revenue; check the cited page for rate confirmation and statutory references.
Common exemptions: wholesale sales, certain agricultural sales, resale certificates and other statutory exemptions — retailers must collect a completed Kentucky resale or exemption certificate when claiming exemption.
Sales tax nexus: physical presence, marketplace facilitator rules, and economic thresholds can create collection duties; review nexus guidance on the Kentucky Department of Revenue site.

Recordkeeping & Filing

Retailers must retain sales records, exemption certificates, sales journals and supporting invoices for the retention period required by the Kentucky Department of Revenue and be ready to produce them during audits or reviews. File returns and remit tax by the due dates indicated on your tax account; penalties and interest may apply for late filing or payment. Electronic filing and payment options are available through the state portal.

Penalties & Enforcement

The Kentucky Department of Revenue enforces collection and remittance of sales and use tax for transactions subject to state law; local Louisville enforcement may involve local revenue or licensing units for business permits. Specific fine amounts for failure to collect or remit tax are not specified on the cited Kentucky Department of Revenue sales and use tax overview page; consult the department for statutory penalty schedules and interest computations or see the contact links in Resources below. Current administrative procedures and enforcement roles are described by the state agency and local revenue offices.

Respond promptly to audits and notice letters to preserve appeal rights.

Fine amounts: not specified on the cited page; see the Kentucky Department of Revenue for statutory penalty and interest rates.
Escalation: first notices, assessments, liens and potential referrals to collections or court may occur; exact escalation steps and timelines are not specified on the cited overview page.
Non-monetary sanctions: administrative assessments, liens, suspension of licenses or permits, and court enforcement actions can be used.
Enforcer and complaints: primary enforcement is by the Kentucky Department of Revenue; local business licensing or revenue units may handle local permit enforcement and complaints.
Appeals: administrative protest and appeal procedures are available through the Kentucky Department of Revenue; specific time limits for protests or appeals are not specified on the cited sales and use tax overview page.
Defences/discretion: reasonable reliance on department guidance, properly executed exemption or resale certificates, and issued permits or rulings can be defenses where supported by documentation.

Applications & Forms

Sales tax registration: apply for a Kentucky sales and use tax account via the Kentucky Department of Revenue or state business registration portal; the specific form or portal link is provided on the state site.
Payment and filing: file returns and remit by the deadlines shown in your tax account; electronic filing is generally available.

Audits, Inspections & Common Violations

Audits may examine sales records, exemption certificates and point-of-sale systems. Common violations include failing to register, not collecting tax on taxable sales, improperly accepting resale certificates, misreporting taxable receipts, and late filing or payment.

Failing to register for a sales tax account.
Not collecting tax on taxable retail sales.
Accepting incomplete or invalid exemption/resale certificates.
Late filing or payment of returns and remittances.

Action Steps for Retailers

Register for a Kentucky sales and use tax account before making taxable sales.
Collect the correct state tax at the point of sale and keep valid resale/exemption certificates.
Maintain records and backup for at least the period required by the Department of Revenue.
Respond promptly to notices and use administrative protest procedures if you disagree with an assessment.

FAQ

Do Louisville retailers collect a city sales tax in addition to Kentucky’s rate?: Louisville retailers collect state sales tax as provided by Kentucky law; local city sales taxes for general retail sales are not described on the cited state sales and use tax overview page, so consult the Kentucky Department of Revenue and local licensing offices for any local fees or licensing requirements.^[1]
How do I register to collect sales tax?: Register through the Kentucky Department of Revenue or state business registration portal listed on the department website; follow the registration steps and obtain your account number before collecting tax.
What records should I keep in case of an audit?: Keep sales journals, invoices, receipts, exemption and resale certificates, point-of-sale reports and bank records to support reported taxable sales and tax remitted.

How-To

Determine whether your sales are taxable in Kentucky and whether you meet nexus thresholds for collection.
Register for a sales and use tax account with the Kentucky Department of Revenue before you start collecting tax.
Configure your point-of-sale and online checkout to apply the state sales tax rate to taxable items and collect valid resale/exemption certificates where appropriate.
File periodic sales tax returns and remit collected tax by the due dates on your account; use electronic filing when available.
If you receive a notice or audit, gather documentation, respond within the deadline and consider filing an administrative protest if you dispute the assessment.

Key Takeaways

Register and collect state sales tax before making taxable sales in Louisville.
Keep complete records and valid exemption certificates to defend tax positions.

Help and Support / Resources

[1] Kentucky Department of Revenue - Sales & Use Tax