Louisiana Business Taxes: Every Agency, Account and Date (2026)

Louisiana Business Tax Agencies and Online Portals

Operating a business in Louisiana means dealing with four core government systems. Each handles a distinct set of registrations, filings, and payments.

The Louisiana Secretary of State operates geauxBIZ, the official website for creating, maintaining, and closing your business in Louisiana. Through geauxBIZ, you can file your entity (such as a corporation, LLC, partnership, or non-profit), register a trade name or trademark, and file annual reports, amendments, or dissolutions. Because geauxBIZ connects three state agencies in one place, you can also use its online registration to apply for a Louisiana tax account number and an unemployment insurance account number at the same time.

The Louisiana Department of Revenue (LDR) administers state business taxes. You manage your state accounts through the Louisiana Taxpayer Access Point (LaTAP), where you register tax accounts, file returns, make payments, view balances, and receive electronic notices.

Louisiana Works administers state unemployment insurance taxes through its LAWATS and HiRE employer systems. Separately, federal and state law requires Louisiana employers to report newly hired and re-hired employees to the Louisiana Directory of New Hires through the Department of Children and Family Services.

The Internal Revenue Service (IRS) administers federal income tax, estimated tax, self-employment tax, employment taxes, and federal excise taxes.

• Louisiana Secretary of State (geauxBIZ): Entity formation, trade names, annual reports, dissolutions, and 3-agency initial registration.
• Louisiana Department of Revenue (LaTAP): State tax account registration, filing returns, making payments, and Resale Certificate (Form R-1064).
• Louisiana Department of Revenue (LaWage): Annual wage reporting (W2/L3).
• Louisiana Works (LAWATS and HiRE): Unemployment insurance tax accounts, wage and tax reporting, and Separation Notice (Form 77).
• Department of Children and Family Services (Louisiana Directory of New Hires): Mandatory reporting of newly hired and re-hired employees in Louisiana.
• Internal Revenue Service (IRS Business Tax Account and EFTPS): Employer ID Numbers (EIN), federal income, self-employment, employment, and excise taxes.

• geauxbiz.sos.la.gov: Welcome to Louisiana geauxBIZ Close Skip to Main Content Sign In Secretary of State Nancy
• laworks.net: Unemployment Insurance

Registering Your Louisiana Tax Accounts Without Triggering Unnecessary Filings

When you start a business in Louisiana, you can register your state tax accounts either during your initial entity filing on geauxBIZ or directly on the LaTAP website by signing up for a LaTAP login and clicking Register My Business. If online registration is unavailable, LDR provides paper Form R-16019 (Business Registration) to apply for a Louisiana Revenue Account Number.

On geauxBIZ, you must create an account and sign in every time you view your businesses or file a document. Draft filings and rejected filings stay on your My Filings tab for up to 14 days so you can edit and resubmit them without starting over. Once a business filing is accepted on geauxBIZ, your documents remain accessible in the portal for 120 days.

Depending on your business activities, LDR requires you to register for one or more specific tax accounts: Sales Tax, Withholding Tax, Corporation Income Tax, Partnership Tax, Fiduciary Income Tax, Consumer Use Tax, or Excise Taxes. However, LDR warns new business owners not to open certain tax accounts prematurely.

• Do not register for a Louisiana withholding tax account until you actually have employees and are required to withhold Louisiana income tax from their wages. Registering too early creates unnecessary filing requirements, even if no tax is due.
• Do not register for a Louisiana sales tax account unless your business is legally required to collect Louisiana sales tax. If you register too early, or if your business only sells non-taxable goods or services, you will create unnecessary filing requirements, even if no tax is due.
• Do not collect Louisiana sales tax until you have registered for your account and are legally required to do so.
• Do register for a sales tax account before opening if you sell taxable goods at retail in Louisiana, sell taxable services, lease or rent taxable tangible personal property, or meet Louisiana's economic nexus requirements for remote sellers.

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Louisiana State Business Taxes and Required LDR Forms (2026 Tax Year)

Your entity structure and day-to-day operations determine which 2026 Louisiana Department of Revenue forms you file. LDR encourages electronic filing through LaTAP or File & Pay Online whenever possible, and requires electronic filing for all state sales tax returns.

Corporations subject to state corporate income or franchise tax file Form CIFT-620 (Corporation Income & Franchise Tax Return). Partnerships and fiduciary entities register for Partnership Tax or Fiduciary Income Tax accounts through LaTAP.

If you operate as a sole proprietor or receive pass-through income as a resident individual, you report your Louisiana income on Form IT-540 (Individual Income Tax Return). Nonresidents and part-year residents use Form IT-540B (Note that online filing on LDR's portal is not available for first-time IT-540B filers). Individual business owners who need to make quarterly estimated tax payments to Louisiana use Form IT-540ES (Declaration of Estimated Tax) or pay online through LaTAP.

Retailers and businesses that collect sales tax must file their Louisiana Sales Tax Returns electronically through LDR's online services. If your business buys inventory for resale, you apply for, renew, print, or validate your Louisiana Resale Certificate (Form R-1064) inside LaTAP. Qualifying nonprofits holding fundraising events can request a state sales tax exemption using Form R-1048.

• Form CIFT-620 (Corporation Income & Franchise Tax Return): Filed by corporations for Louisiana corporate income and franchise taxes.
• Form IT-540 (Individual Income Tax Return): Filed by Louisiana residents, including sole proprietors and pass-through owners. File online or download.
• Form IT-540B (Nonresident & Part-Year Resident Return): Filed by nonresident or part-year resident individuals (online filing is not available for first-time filers).
• Form IT-540ES (Declaration of Estimated Tax): Used by individuals making estimated Louisiana income tax payments. Pay via LaTAP or voucher.
• Form L-1 (Louisiana Withholding Tax Form): Filed by employers reporting and remitting state income tax withheld on quarterly or monthly frequencies.
• Form L-4 (Employee Withholding Exemption Certificate): Completed by employees to establish Louisiana state income tax withholding exemptions.
• Form R-1064 (Louisiana Resale Certificate): Used by registered businesses buying goods for resale. Managed and validated through LaTAP.
• Form R-16019 (Business Registration): Paper application for a Louisiana Revenue Account Number when online registration is unavailable.
• Form R-7006 (Power of Attorney): Used by business owners authorizing an accountant, individual, or firm to represent them before LDR.
• Form R-1048 (Nonprofit Fundraising Sales Tax Exemption): Used by qualifying nonprofits requesting exemption from collecting state sales tax at fundraising events.

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Filing Frequencies, Portal Windows, and 2026 Deadlines

Keeping your Louisiana business compliant requires tracking portal retention windows, quarterly estimated payments, and LDR's monthly filing calendar. Below are the verified 2026 windows, frequencies, and scheduled LDR filing obligations.

• IRS: Self-employed individuals tax center
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Hiring Employees in Louisiana: Withholding, LaWage, and Unemployment Tax

Once you hire employees in Louisiana, you take on tax and reporting obligations across LDR, Louisiana Works, the Department of Children and Family Services, and the IRS.

For state income tax withholding, have each employee complete Form L-4 (Employee Withholding Exemption Certificate). Once you are required to withhold Louisiana income tax from wages, register for a withholding tax account on LaTAP. You will file the Louisiana Withholding Tax Form (L-1 Return) on a quarterly or monthly frequency (for example, the 3rd Quarter L-1 Return appears on LDR's November 2026 filing calendar) and remit the withheld taxes to LDR. For annual wage reporting, employers submit W-2 and L-3 records electronically through LDR's LaWage system.

For state unemployment insurance, register for an Unemployment Tax Account with Louisiana Works (either during your initial geauxBIZ setup or through LAWATS). Employers use LAWATS and the HiRE portal to submit wage, tax, and employer account status reports, view benefit charges, enroll in SIDES E-Response, and file a Separation Notice (Form 77) when an employee leaves. If you use a payroll service or accountant, LAWATS provides specific workflows to link an agent account, register a Third Party Administrator (TPA) or PEO Master, and upload Power of Attorney files.

Finally, remember to report every newly hired and re-hired employee in Louisiana to the Louisiana Directory of New Hires via the Department of Children and Family Services, and withhold and pay federal employment taxes (Social Security, Medicare, federal income tax withholding, and FUTA) to the IRS.

• laworks.net: Unemployment Insurance
• revenue.louisiana.gov: Business, Louisiana Department of Revenue Skip to Main Content An official Louisiana.gov w

Federal Business and Self-Employed Taxes (2026 IRS Rules)

Alongside your Louisiana state filings, the IRS groups 2026 federal business obligations into five general types of business taxes: income tax, estimated taxes, self-employment tax, employment taxes, and excise tax. All businesses except partnerships must file an annual federal income tax return, while partnerships file an information return.

If you carry on a trade or business as a sole proprietor, work as an independent contractor, are a member of a partnership, or are otherwise in business for yourself (including part-time or gig work), the IRS classifies you as self-employed. You must calculate your net profit or net loss by subtracting your business expenses from your business income on Schedule C (Form 1040), Profit or Loss from Business (Sole Proprietorship). Married couples who jointly own and operate an unincorporated business and file a joint return can elect to be treated as a qualified joint venture rather than a partnership for federal tax purposes.

For the 2026 tax year, if your net earnings from self-employment are $400 or more, you must file an annual federal income tax return and file Schedule SE (Form 1040 or 1040-SR) to pay self-employment (SE) tax, which covers your Social Security and Medicare taxes. Even if your net earnings are under $400, you must still file if you meet any other filing requirement in the Form 1040 instructions (such as earning $108.28 or more in wages from a tax-exempt church or qualified church-controlled organization).

Because federal income tax is a pay-as-you-go tax and self-employed owners do not have an employer withholding taxes from a paycheck, you generally make quarterly estimated tax payments using Form 1040-ES (Estimated Tax for Individuals) or online through IRS payment systems. If your income changes mid-year, you can complete a new Form 1040-ES worksheet to recalculate your payment for the next quarter.

• IRS: Business taxes
• IRS: Self-employed individuals tax center

Worked Example: First-Month Account Setup for a Solo Louisiana LLC

Worked example written by our team. The business is invented.

Suppose you form a solo consulting LLC in Baton Rouge in 2026 with no employees and no sales of taxable goods or taxable services. Here is how you set up your required accounts in month one without triggering premature state tax returns.

• Step 1 (Entity formation on geauxBIZ): Create a geauxBIZ login, file your LLC formation paperwork, and download your accepted charter documents within the 120-day portal access window.
• Step 2 (Federal EIN and LaTAP login): Apply for a federal Employer ID Number (EIN) with the IRS and create a LaTAP login with the Louisiana Department of Revenue.
• Step 3 (Hold off on sales and withholding accounts): Because you sell only non-taxable consulting services and have no employees, do not open a Louisiana sales tax account or a Louisiana withholding tax account yet. Opening those accounts early creates unnecessary filing requirements, even if no tax is due.
• Step 4 (Quarterly estimated taxes): Track your consulting revenue and deductible expenses for federal Schedule C and Schedule SE, and submit quarterly estimated income tax payments using IRS Form 1040-ES and Louisiana Form IT-540ES via LaTAP.

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Buying an Existing Business in Louisiana: Successor Liability and Tax Clearance

If you buy an existing Louisiana business instead of starting one from scratch, state law carries a serious trap: successor liability. Under Louisiana law, the purchaser of a business can be held legally responsible for unpaid state taxes owed by the previous owner.

Equally important, existing Louisiana tax accounts never transfer with the sale of a business. LDR explicitly instructs buyers never to use the seller's Louisiana Revenue Account Number (Tax ID), never to file tax returns using the seller's tax accounts, and never to make payments under the seller's account.

• Before closing the purchase: Ask the seller whether all required Louisiana tax returns have been filed, request documentation showing taxes have been paid, check for any outstanding tax liabilities, and request a formal Tax Clearance from the seller.
• After completing the purchase: Register your own new Louisiana tax accounts, establish your own LaTAP account, update ownership information with LDR, and file and pay all future taxes strictly under your own business account.

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• geauxbiz.sos.la.gov: Welcome to Louisiana geauxBIZ Close Skip to Main Content Sign In Secretary of State Nancy

Louisiana Specialty, Excise, and Severance Taxes

Businesses in regulated industries must register for specialized permits, licenses, or tax accounts administered by LDR, the Office of Alcohol and Tobacco Control (ATC), or the Office of Charitable Gaming (OCG). LDR groups these additional obligations into three categories: Excise Taxes, Special Sales Taxes, and Severance Taxes.

• Excise Taxes and Permits: Alcoholic Beverage Tax and Permits, Wine, Tobacco Tax and Tobacco Products Permits, Retail Dealers of Vapor Products, Motor Fuel Taxes and Licenses, Hazardous Waste Disposal Tax, Transportation and Communication Tax, and Telecommunication Tax for the Deaf.
• Specialty Sales and Occupancy Taxes: Automobile Rental Tax, Motor Vehicle Lease and Rental Tax, Aviation Fuel Tax, Watercraft Sales Tax, Direct Marketer returns, Special Events/Craft Shows/Trade Shows, Louisiana Stadium & Exposition District Hotel Occupancy Tax, and New Orleans Exhibition Hall Authority (NOEHA) Food & Beverage and Hotel Occupancy Taxes.
• Severance and Resource Taxes: Oil, Gas, Minerals, and Timber Severance Taxes, and Natural Gas Franchise Tax.
• Federal Excise Taxes: Depending on your operations, you may also owe 2026 federal excise taxes reported on IRS Form 720 (environmental, communications, air transportation, fuel, and manufacturers taxes), Form 2290 (for trucks, truck tractors, and buses used on public highways with a taxable gross weight of 55,000 pounds or more), Form 730 (tax on wagers), or Form 11-C (occupational tax and registration for wagering).

• IRS: Business taxes
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Ongoing Compliance, Recordkeeping, and Working With an Accountant

Once your accounts are active, keeping your Louisiana business in good standing requires three ongoing habits: maintaining clean financial records, filing your annual Secretary of State report, and notifying LDR whenever your business details change.

To file your annual report on geauxBIZ, sign in to your account, click Getting Started on your dashboard, select File an amendment, such as an annual report, with the Louisiana Secretary of State, enter your charter number, and click File Annual Report on your business details page. You must also notify LDR if you change your business or mailing address, change ownership or responsible parties, add or discontinue tax accounts, or close your business.

LDR requires you to keep accurate records of all sales, purchases, payroll, and tax filings, including documentation supporting sales tax exemptions and resale certificates. If you authorize an outside accountant or tax firm to represent you before the Louisiana Department of Revenue, you can submit Form R-7006 (Power of Attorney) electronically or by paper, and use IRS Form 2848 for federal representation.

Aldro is the cheapest way to get your business taxes done: $399 flat, with bookkeeping at $20 a month. The flat price covers everything tax for the year (every federal and state or provincial business return: Schedule C, 1065, 1120-S, 1120 and state returns. T2 and T1 with T2125 in Canada), multi-state returns at the same price, the owner's personal return when the business income needs it, city and local business returns and state franchise tax reports included, extensions and quarterly estimate reminders included, and 1099-NEC slips included. Each unfiled prior year is billed at the same flat price, and we work out quarterly estimates. Bookkeeping covers unlimited bank and card accounts, monthly reconciliation and statements, but not payroll processing or sales-tax filing. If you are switching from Bench or another service, we start within a week of getting the documents.

• revenue.louisiana.gov: Tax Forms, Louisiana Department of Revenue Skip to Main Content An official Louisiana.gov
• IRS: Self-employed individuals tax center