Louisiana Sales Tax Nexus Rules for E-Commerce Sellers (2026)

Louisiana sales tax nexus guide

TL;DR: Louisiana requires online sellers to register for sales tax when they exceed $100,000 in annual retail sales to Louisiana customers. The state uses "OR" logic (either current or previous calendar year sales triggers nexus), includes marketplace sales in the calculation, and removed its transaction threshold in 2023, simplifying compliance for multi-channel e-commerce businesses.

Key Facts at a Glance

Detail	Info
Revenue Threshold	$100,000
Transaction Threshold	None (removed August 1, 2023)
Threshold Logic	OR — Either current year OR previous year sales trigger nexus
Measurement Period	Calendar year (January 1 – December 31)
Marketplace Sales Count?	Yes, all channels aggregate together
Registration Deadline	30 days from end of month threshold is exceeded
Registration URL	https://geauxbiz.sos.la.gov/

What Is Economic Nexus in Louisiana?

Economic nexus is the legal principle that determines whether your e-commerce business must register, collect, and remit sales tax in a state—even if you have no physical location there. Louisiana, like most states, adopted this concept following the U.S. Supreme Court's 2018 South Dakota v. Wayfair decision, which fundamentally changed how states tax remote sellers.

Before Wayfair, states could only require sales tax collection from businesses with "physical nexus" in that state—meaning a warehouse, office, employee, or other tangible presence. Today, Louisiana establishes sales tax obligations purely on the basis of economic activity. If your business reaches certain revenue thresholds, Louisiana considers you to have economic nexus regardless of whether you've ever set foot in the state or have any physical infrastructure there.

For e-commerce sellers, this is a critical distinction. You can trigger a Louisiana sales tax obligation through your online sales alone, with no physical presence required. The determining factors are your sales volume, the location of your customers, and your frequency of transactions—not your business address or operational footprint.

Louisiana's Nexus Thresholds (2026)

Louisiana employs a straightforward and simplified threshold system. Understanding exactly when you cross into nexus territory is essential for compliance and avoiding penalties.

The $100,000 Revenue Threshold

Louisiana's primary nexus trigger is $100,000 in gross revenue from retail sales of tangible personal property into the state during a calendar year.

What this means: If your total retail sales to Louisiana customers reach or exceed $100,000 in either the current calendar year or the previous calendar year, you have economic nexus and must register for a sales tax permit.

Example 1 (Current Year Trigger): You're an online seller and it's July 2026. Your sales records show you've already sold $98,000 worth of products to Louisiana customers this year. You're approaching the threshold. By August 15, you hit $100,500 in Louisiana sales. You now have nexus and must register within 30 days (by September 15).

Example 2 (Previous Year Trigger): It's January 2026. You had $105,000 in Louisiana sales during 2025. Even though 2026 has just started and your current-year sales are zero, you already have nexus because the previous calendar year exceeded $100,000. You should register immediately.

Transaction Threshold: Removed in 2023

Louisiana previously maintained a transaction-based threshold (200 transactions), but this was eliminated effective August 1, 2023, via House Bill 171 (HB 171). You no longer need to count individual transactions. This simplification makes compliance easier for multi-channel sellers who process hundreds of transactions monthly.

Why the "OR" Logic Matters

Louisiana uses "OR" logic rather than "AND" logic. This means:

You trigger nexus if current year sales exceed $100,000, OR
You trigger nexus if previous year sales exceeded $100,000

You do not need to meet multiple thresholds simultaneously. Just one needs to be satisfied.

Practical Example: Suppose you had terrible sales in 2024 ($50,000). But in 2025, your business exploded and you hit $120,000 in Louisiana sales. On January 1, 2026, you immediately have nexus based on your 2025 performance. You don't need to also hit $100,000 in 2026—the previous year's achievement is enough.

Calendar Year Measurement Period

Louisiana measures nexus using the calendar year (January 1 through December 31). This gives you flexibility in timing your registration—you can calculate thresholds using either your current calendar year sales or the previous calendar year's sales.

Why this matters: If you're approaching the threshold in November, you have some strategic options. You could accelerate registration before year-end, or you could time it for early January based on complete year-end figures. Either approach is compliant.

Retail Sales Only—Wholesale Excluded

A critical limitation of Louisiana's threshold is that only retail sales count. Wholesale transactions, dropshipping arrangements where you're a middleman, and resale of goods you purchased wholesale do not count toward your $100,000 threshold.

Example: You're a wholesale distributor who sells $500,000 worth of goods to retailers in Louisiana annually. These wholesale sales do not trigger economic nexus. However, if you also run a retail e-commerce store and sell $100,000 of your own branded products directly to Louisiana consumers, that triggers nexus.

This distinction is especially important for sellers who operate in both B2B and B2C channels. Make sure you're only counting B2C (retail) sales when calculating your threshold.

How Louisiana Calculates Nexus

Accurate threshold calculation requires understanding exactly which sales count and which don't, plus maintaining proper tracking systems.

Sales That Count Toward Your Threshold

Only retail sales of tangible personal property (physical goods) to Louisiana customers count. Specifically:

Products shipped to Louisiana addresses — Any item you sell and ship to a customer with a Louisiana delivery address counts in full
Items picked up by Louisiana customers — If a Louisiana customer picks up merchandise in-state or you arrange curbside delivery, this counts
Physical goods where Louisiana is the destination — The key factor is where the customer receives or takes possession, not where they order from

Multi-channel sales all count together. If you sell through your website, Amazon, eBay, Etsy, Shopify, and a social media shop simultaneously, you aggregate all these channels when calculating your threshold.

Sales That Do NOT Count

These sales types are explicitly excluded from Louisiana nexus calculations:

Services — Consulting, software as a service (SaaS), delivery services, and other intangible services
Digital goods — E-books, digital downloads, and subscription-based digital content (in most cases)
Wholesale and B2B transactions — Sales to other businesses for resale
Resale of wholesale merchandise — If you purchase goods wholesale and resell them, only count the retail portion (if any) of sales to end consumers
Out-of-state deliveries — Sales shipped to non-Louisiana addresses don't count
Exempt products — Certain items may be exempt from Louisiana sales tax and shouldn't be counted (consult state guidance for specifics)

Your Tracking Responsibilities

To stay compliant and know when you've exceeded the threshold, establish these processes:

Monitor all orders with Louisiana delivery addresses in your sales records
Calculate gross revenue from these sales accurately (using standard accounting methods for handling discounts and returns)
Maintain detailed documentation of your sales records, especially sales records around threshold dates
Review calculations annually as each calendar year concludes to determine if you've triggered nexus
Aggregate across channels — Don't calculate thresholds separately by platform

Pro tip: Most accounting software and e-commerce platforms can filter sales by customer location. Use these built-in features rather than manual spreadsheets to reduce errors.

Do Marketplace Sales Count in Louisiana?

Yes, absolutely. Louisiana explicitly includes marketplace sales in its nexus calculation, which is critical knowledge for any multi-channel seller.

Marketplace Sales Are Aggregated

If you sell through major platforms, all of those sales count toward your $100,000 threshold:

Amazon — All FBA and Merchant Fulfilled sales
eBay — Auction and fixed-price listings
Etsy — All handmade, vintage, and craft item sales
Walmart.com — Third-party seller platform
Shopify — Your own store on Shopify's platform
Target.com — Third-party sellers
Facebook and Instagram — Sales through social commerce
Any other third-party marketplace

Don't calculate nexus separately by marketplace. If you sell $40,000 through Amazon, $35,000 on eBay, and $30,000 on Etsy to Louisiana customers, your total is $105,000—over the threshold—even though no single platform exceeds $100,000 individually.

Marketplace Facilitator Collection

Many large marketplaces function as "marketplace facilitators," meaning they collect and remit sales tax on behalf of sellers. This is true for platforms like Amazon, eBay, and Walmart.com in most states, including Louisiana.

Important: Even if a marketplace is collecting and remitting the tax, the sales still count toward your individual nexus threshold. Don't assume that because a marketplace handles tax collection, your threshold calculation doesn't apply. You remain responsible for ensuring accuracy of threshold calculations, even if you're not personally collecting the tax.

Multi-Channel Aggregation Requirement

This is where many sellers make critical compliance mistakes. If you operate across multiple sales channels—your own website, Amazon, eBay, Etsy, and others—you must add all Louisiana sales together when determining nexus.

Real-world scenario: You run an online store on Shopify, sell heavily on Amazon, and have an eBay side business. You mistakenly calculate each channel's Louisiana sales separately:

Shopify: $65,000
Amazon: $55,000
eBay: $45,000

You think you're compliant because no single channel exceeds $100,000. But your actual aggregate Louisiana sales are $165,000—significantly over the threshold. This error could result in back taxes, interest, and penalties.

What Happens When You Exceed the Threshold

Exceeding Louisiana's $100,000 threshold triggers legal obligations and potential financial consequences if you don't respond properly.

Registration Requirements and Timeline

Once you exceed the threshold, Louisiana requires you to register for a sales tax permit. The state provides a grace period: you have 30 days from the end of the month in which you exceeded the threshold to complete registration.

Example: If you exceed $100,000 on June 15, 2026, your deadline to register is July 31, 2026 (30 days from the end of June).

However, registering early is always advisable. Delaying registration until the deadline doesn't improve your position—it only increases your exposure if the state identifies non-compliance. Many successful sellers register within days of identifying nexus rather than waiting.

Sales Tax Collection and Remittance Obligations

After registration, you assume several ongoing obligations:

Collect sales tax on all taxable sales to Louisiana customers at the appropriate combined state and local rates
File regular tax returns with the Louisiana Department of Revenue (frequency depends on your sales volume—monthly, quarterly, or annually)
Remit collected taxes by the dates specified by Louisiana's tax authorities
Maintain detailed records documenting all sales, taxes collected, and remittance dates

These obligations continue as long as you maintain sales into Louisiana at or above economic nexus levels.

Back Taxes, Interest, and Penalties

If you exceeded the threshold but failed to register and collect sales tax, you face potential liability:

Back taxes on all past sales that should have been taxed
Interest accruing on unpaid taxes from the original due date
Penalties for failing to register and remit tax (penalties vary but represent a percentage of unpaid taxes)

The longer you remain non-compliant after exceeding the threshold, the greater your potential liability accumulates. A seller who should have registered in June but didn't register until December faces six months of back taxes, interest, and penalties.

Compliance Verification Methods

Louisiana actively works to identify non-compliant sellers through multiple methods:

Marketplace data sharing — Large marketplaces provide sales data to states, which can flag businesses showing sales above nexus thresholds without registrations
Credit card processing data — Payment processors report transaction data that may be cross-referenced with registrations
Random audits — The Louisiana Department of Revenue conducts routine audits of e-commerce sellers
Reported by competitors — Businesses sometimes report competitors they believe are operating without proper registrations

Non-compliance isn't likely to go unnoticed indefinitely, especially for sellers with significant Louisiana sales.

How to Register for Sales Tax in Louisiana

Registration is straightforward and can be completed entirely online through Louisiana's GeauxBiz system.

Step-by-Step Registration Process

Step 1: Visit the GeauxBiz Portal Go to https://geauxbiz.sos.la.gov/ and look for the sales tax registration option. The system is Louisiana's unified business registration platform.

Step 2: Create or Access Your Account If you don't have an existing account, create one with your email address and a secure password. Existing business owners may be able to access prior registrations.

Step 3: Select Sales Tax Registration Choose the sales tax permit application option. GeauxBiz will guide you through the application workflow.

Step 4: Provide Required Business Information You'll need to supply:

Business legal name — Exactly as registered with Louisiana or as it appears on your federal tax documents
Business structure — Sole proprietorship, LLC, S-corporation, C-corporation, partnership, etc.
Federal Employer Identification Number (EIN) or Social Security Number (if you're a sole proprietor without an EIN)
Business address — Your physical office address (doesn't need to be in Louisiana)
Mailing address — Where Louisiana sends correspondence and tax forms
Ownership and responsible party information — Names, addresses, and identification details of owners or managers
Description of business activities — How you conduct sales (e-commerce, marketplace seller, etc.)
Expected monthly sales volume to Louisiana — Your estimated average monthly Louisiana sales
Nature of sales — Whether you sell physical products, services, or both

Step 5: Submit Your Application Review all information for accuracy, then submit electronically through GeauxBiz.

Step 6: Receive Your Permit Louisiana typically processes sales tax permit applications quickly—most online applications receive approval within 2-3 business days. You'll receive your sales tax permit number and documentation confirming registration.

Post-Registration Setup

Once you receive your permit, you need to:

Implement sales tax collection in your e-commerce platform or point-of-sale system for Louisiana customers
Configure your system to apply Louisiana's combined state and local tax rates to orders shipping to Louisiana
Set up accounting processes to track taxes collected separately
Establish a filing schedule based on your expected sales volume (Louisiana will notify you)
Create a system for remitting taxes to Louisiana on your assigned schedule

Most e-commerce platforms (Shopify, WooCommerce, BigCommerce, etc.) have built-in Louisiana sales tax calculation features that simplify this setup.

How NexusMonitor Helps Track Your Louisiana Nexus

Manually tracking economic nexus thresholds across multiple states—especially when selling through various channels—is error-prone and time-consuming. Dedicated monitoring tools eliminate this burden and provide peace of mind.

Automated Threshold Tracking and Real-Time Alerts

NexusMonitor continuously monitors your sales across all channels and automatically tracks your progress toward Louisiana's $100,000 threshold. Rather than manually aggregating sales from your website, Amazon, eBay, Etsy, and other platforms each month, the system does this automatically and in real time.

As you approach your threshold, NexusMonitor sends alerts giving you advance notice. This early warning allows you to budget for sales tax obligations, prepare for registration, plan your tax collection processes, and understand your compliance timeline. You're never surprised by exceeding a threshold unexpectedly.

Multi-State Nexus Management

Louisiana isn't your only concern if you sell nationally. NexusMonitor tracks thresholds across all 50 states simultaneously, including Louisiana's $100,000 revenue threshold and varying thresholds in other states. This comprehensive approach prevents you from accidentally becoming non-compliant in multiple states while focusing only on Louisiana.

The platform provides a centralized dashboard showing which states you have nexus in, upcoming thresholds, filing deadlines, and compliance status. Multi-channel sellers can see at a glance their complete multi-state tax picture rather than juggling spreadsheets for each state.

Integration and Accuracy

NexusMonitor integrates with major e-commerce platforms and payment processors, pulling your actual sales data automatically. This eliminates manual data entry errors and ensures your threshold calculations reflect your true sales. Updates occur regularly, so your nexus status is always current.

The platform generates detailed reports documenting when you crossed thresholds in each state and your current filing obligations. These records prove valuable for accounting, tax professional consultations, audit defense, and understanding your overall multi-state tax position.

Frequently Asked Questions

What is the sales tax rate in Louisiana?

Louisiana's combined state and local sales tax rate varies by location, ranging from 8.45% to 10.45% depending on local parish and local tax jurisdictions. Different products may also be taxed at different rates. Consult the Louisiana Department of Revenue website for specific rates in the parish where your customers are located, or use the GeauxBiz system to verify current rates.

Does Louisiana use AND or OR logic for nexus thresholds?

Louisiana uses OR logic. You have nexus if either your current calendar year sales exceed $100,000 OR your previous calendar year sales exceeded $100,000. You don't need to meet both conditions—just one triggers your obligation to register and collect sales tax.

When do I need to start collecting sales tax in Louisiana?

Once you exceed the $100,000 threshold (or it's determined that you met it in a previous year), you have 30 days from the end of that month to register. After registration, you should begin collecting sales tax immediately on all new sales to Louisiana customers. If you've already made sales above the threshold before registering, you may owe back taxes on those previous sales.

Do Amazon/marketplace sales count toward my Louisiana nexus?

Yes, absolutely. All marketplace sales count toward your $100,000 threshold, including Amazon, eBay, Etsy, Walmart.com, and any other third-party platform where you sell. You must aggregate sales across all channels when calculating your nexus threshold. A common compliance error is calculating thresholds by marketplace rather than in aggregate—don't make this mistake.

Can I deregister if my sales drop below the threshold?

Once you register for a Louisiana sales tax permit, you generally remain registered even if sales decline below the $100,000 threshold temporarily. However, if your sales remain below the threshold consistently, you may be able to apply for cancellation of your permit. Contact the Louisiana Department of Revenue for guidance on deregistration procedures. Until your request is approved, you should continue filing returns.

What's the difference between marketplace facilitators collecting tax and my threshold obligations?

Many large marketplaces collect and remit sales tax on behalf of sellers. Even when this occurs, your sales still count toward your individual nexus threshold. The marketplace's collection responsibility doesn't eliminate your need to register and track your own threshold status. Some states may eventually coordinate, but for now, you must monitor your own compliance.

Disclaimer: This article is for informational purposes only and does not constitute tax advice. Sales tax laws are complex and subject to change. Consult a tax professional or qualified accountant for guidance specific to your business situation and jurisdiction before making tax decisions.