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If employees use their personal vehicles for work in Louisiana, there is no single mileage reimbursement rate that every private employer is required to pay.
Many employers use the IRS standard mileage rate as a benchmark. In 2026, that rate changed mid-year.
The optional business standard mileage rate is 72.5 cents per mile from January 1 through June 30, 2026, and 76 cents per mile beginning July 1, 2026.
The IRS says the mid-year adjustment resulted from recent increases in fuel prices.
Louisiana also has separate mileage reimbursement rules for official state travel and workers' compensation.
Here's what employers and employees should know about Louisiana mileage reimbursement in 2026.
What Is the Louisiana Mileage Reimbursement Rate for 2026?
Louisiana does not have a mandatory mileage reimbursement rate that applies to ordinary business driving by all private-sector employees in 2026.
Employers that reimburse business mileage often use the optional IRS standard mileage rate as a benchmark.
There are two IRS business mileage rates for 2026:
- January 1 through June 30, 2026: 72.5 cents per business mile
- July 1 through December 31, 2026: 76 cents per business mile
The IRS increased the rate mid-year because of recent increases in fuel prices.
The revised rate applies to deductible business transportation expenses paid or incurred on or after July 1.
For employee mileage allowances, the revised rate applies when the allowance is paid on or after July 1 and relates to transportation expenses paid or incurred by the employee on or after July 1.
The IRS standard mileage rate is optional. It provides a federal benchmark for business vehicle costs rather than establishing a mandatory Louisiana reimbursement rate.
Eligible taxpayers may also calculate actual vehicle costs instead of using the standard mileage method.
Do Private Employers Have to Reimburse Mileage in Louisiana?
Louisiana does not have a general state law establishing a mandatory per-mile reimbursement rate for ordinary business driving by private-sector employees.
That gives private employers flexibility in how they structure mileage reimbursement.
Employers should still consider employment agreements, collective bargaining agreements, written reimbursement policies, and any requirements that apply to a particular workforce or type of travel.
For employees who regularly use personal vehicles for work, a written mileage reimbursement policy can establish which trips qualify, how employees document their mileage, which reimbursement method applies, and when payments are made.
Louisiana's rules for official state travel and workers' compensation mileage are separate from ordinary private-sector business mileage.
When Can Mileage Reimbursement Be Tax-Free?
Mileage reimbursement can generally be excluded from an employee's federal taxable wages when the reimbursement arrangement satisfies IRS accountable-plan requirements.
According to IRS Publication 463, an accountable plan generally requires three things:
- The expense must have a business connection.
- The employee must adequately account for the expense within a reasonable period.
- The employee must return any excess reimbursement or allowance within a reasonable period.
When these requirements are satisfied, qualifying reimbursements generally are not reported as employee pay.
Reimbursements that fail to meet the accountable-plan requirements are generally treated under the rules for nonaccountable plans.
Employees also need adequate records supporting their business driving.
For car expenses, IRS guidance calls for records that substantiate information such as the date of use, business destination, mileage, and business purpose.
The reimbursement rate by itself does not determine whether a payment receives tax-free treatment.
Program structure, substantiation, and the handling of excess payments matter too.
What Counts as Business Mileage in Louisiana?
Business mileage generally means driving for a legitimate business purpose rather than an employee's ordinary commute between home and a regular workplace.
Examples can include driving from an office to a customer location, traveling between job sites during the workday, making deliveries or service calls, and traveling to qualifying temporary work locations.
Ordinary commuting between an employee's home and regular workplace is generally treated as personal travel under federal tax rules.
IRS Publication 463 also contains specific rules for temporary work locations and qualifying home offices.
Clearly defining business versus personal vehicle use can make mileage reporting easier for employees and help employers calculate reimbursements consistently.
What Is the Louisiana State Employee Mileage Rate for 2026?
Louisiana has a separate mileage reimbursement framework for official state travel.
The state's current PPM 49 Travel Guide, effective July 1, 2026, says personal vehicle mileage is reimbursed at the published GSA mileage rate.
It also says mileage reimbursements should be based on actual physical addresses and require an odometer reading or website mileage calculator.
For travel on or after July 1, 2026, GSA's privately owned automobile rate is 76 cents per mile when use of a personal automobile is authorized or no government-owned automobile is authorized or available.
For January 1 through June 30, 2026, the corresponding GSA rate was 72.5 cents per mile.
Louisiana state travelers should check the current PPM 49 Travel Guide and applicable GSA mileage rate when submitting reimbursement.
Louisiana's Department of Administration maintains the current travel guide and links directly to GSA mileage information.
These state travel rules apply to official government travel and do not establish a mileage reimbursement requirement for private employers.
How Does Workers' Compensation Mileage Work in Louisiana?
Louisiana workers' compensation law has its own mileage reimbursement requirements.
Louisiana Revised Statute 23:1203(D) addresses mileage reasonably and necessarily traveled by an employee to obtain required medical services, medicines, and prosthetic devices.
It also addresses qualifying vocational rehabilitation travel directed by the employer.
For qualifying travel in the employee's own vehicle, Louisiana law ties reimbursement to the mileage rate established by the state for state employees using personal vehicles on state business.
Because Louisiana's current state travel policy uses the published GSA mileage rate, workers' compensation mileage is connected to the rate used for qualifying state employee personal-vehicle travel.
Employers handling a workers' compensation claim should use the rate applicable to the date of qualifying travel and check current Louisiana workers' compensation and state travel guidance when processing reimbursement.
What Mileage Reimbursement Options Can Louisiana Employers Use?
Private employers can choose from several approaches for reimbursing employees for the real, business-required costs associated with using personal vehicles for work.
Cents-Per-Mile (CPM)
Cents-Per-Mile (CPM) reimburses employees using a set rate for each qualifying business mile.
Employers may use the IRS standard mileage rate or another rate appropriate for their program. CPM can be straightforward for occasional drivers because reimbursement directly follows documented business mileage.
For mileage allowances under an accountable plan, payments above the applicable federal rate can receive different tax treatment.
IRS Publication 463 explains the rules governing allowances above the federal rate and excess reimbursements.
Fixed and Variable Rate (FAVR)
Fixed and Variable Rate (FAVR) reimburses employees for the real, business-required fixed and variable costs associated with owning and operating personal vehicles for work.
Fixed costs can include depreciation, insurance, registration, and related ownership expenses. Variable costs can include fuel, maintenance, and tires.
FAVR is an IRS-recognized mileage allowance methodology with specific requirements. For 2026, the maximum standard automobile cost that may be used to calculate a FAVR allowance is $61,700.
Separating fixed and variable expenses can help account for differences in business mileage and geographically variable vehicle costs.
Tax-Free Car Allowance (TFCA)
A Tax-Free Car Allowance (TFCA) is an accountable reimbursement arrangement designed to reimburse employees for the real, business-required costs of using personal vehicles for work.
Tax-free treatment depends on satisfying applicable IRS accountable-plan requirements, including adequate substantiation and appropriate treatment of excess payments.
Companies with different driver populations can also use a mixed mileage reimbursement strategy.
For example, an employer might use FAVR for employees with substantial recurring business mileage and CPM for employees who drive less frequently.
How Should Louisiana Employers Manage Mileage Reimbursement?
A clear mileage reimbursement policy gives employees and administrators a consistent process to follow.
The policy should explain which trips qualify as business mileage, how employees document those trips, which reimbursement method applies, and when payments are processed.
Accurate mileage records also support IRS accountable-plan requirements and give Finance, HR, and Operations teams better visibility into business driving.
Employers should review their programs regularly.
The IRS's mid-year rate adjustment in 2026 shows why reimbursement benchmarks need ongoing attention.
Fuel, insurance, maintenance, employee driving patterns, and tax requirements can all change over time.
Build a Mileage Reimbursement Program That Fits Your Louisiana Drivers
Louisiana gives private employers flexibility in how they structure ordinary business mileage reimbursement, while federal tax rules and specialized state travel and workers' compensation requirements still need to be considered.
The right approach depends on how often employees drive, where they work, and the real, business-required costs associated with using their personal vehicles.
Cardata helps companies design and manage mileage reimbursement programs, including FAVR, CPM, TFCA, and mixed programs for different driver groups.
From mileage capture and reimbursement calculations to compliance support and direct-to-driver payments, Cardata helps make mileage reimbursement simpler for employees and easier for Finance, HR, and Operations teams to manage.
Talk to Cardata about building a mileage reimbursement program for your Louisiana drivers.
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