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If your employees use their personal vehicles for work in New Jersey, there is no single state mileage reimbursement rate that private employers have to follow.
That gives employers flexibility in how they structure mileage reimbursement. It also makes having a clear policy, accurate mileage records, and the right tax treatment especially important.
For 2026, there is another detail to keep straight: the IRS changed its standard business mileage rate in the middle of the year.
The 2026 IRS business mileage rate is 72.5 cents per mile for January 1 through June 30 and 76 cents per mile beginning July 1, according to the IRS standard mileage rate guidance. The IRS increased the rate mid-year following changes in fuel costs.
Here is what New Jersey employers and employees should know about mileage reimbursement rates, tax rules, business mileage, and reimbursement options in 2026.
What Is the Mileage Reimbursement Rate in New Jersey for 2026?
There is no universal New Jersey mileage reimbursement rate for private employers.
Many employers instead use the IRS standard mileage rate as a benchmark. For 2026, the IRS initially set the business rate at 72.5 cents per mile.
It increased that rate to 76 cents per mile for business travel beginning July 1, according to the IRS's 2026 standard mileage rate guidance.
For a business using the IRS rate for a Cents-Per-Mile (CPM) mileage reimbursement program, that creates two periods to account for in 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 describes its standard mileage rate as optional. Employers can use a different mileage reimbursement approach when appropriate, subject to applicable tax and wage requirements.
Does New Jersey Require Employers to Reimburse Mileage?
New Jersey does not establish a universal mileage reimbursement rate that private employers are required to pay employees who use personal vehicles for work.
That does not mean employers should treat mileage reimbursement as entirely optional in every situation.
An employer's own policies, employment agreements, or other contractual commitments may create reimbursement obligations.
The New Jersey Department of Labor and Workforce Development states that complaints involving benefits such as expense reimbursement can be scheduled for a Wage Collection proceeding.
Employers should also account for any reimbursement commitments established through their employment agreements or company policies.
For employers, the practical approach is to have a clear mileage reimbursement policy that defines which business trips qualify, how employees should document their mileage, which reimbursement method applies, and how reimbursements are paid.
New Jersey employers have flexibility in how they structure mileage reimbursement, but the policy should be clear, consistently administered, and aligned with any contractual commitments the company has made to its employees.
When Can Mileage Reimbursement Be Tax-Free?
The reimbursement rate is only part of the tax picture.
Under IRS Publication 463, Travel, Gift, and Car Expenses, an accountable plan generally has to satisfy three basic requirements:
- 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 within a reasonable period.
That means paying at or below the IRS standard mileage rate does not, on its own, make every payment tax-free. The reimbursement arrangement and substantiation requirements also matter.
For mileage reimbursement, employers and drivers generally need records supporting the business use of the vehicle, including information such as mileage, dates, destinations, and business purpose.
Publication 463 provides the IRS recordkeeping requirements in more detail.
New Jersey has separate state income tax guidance. The New Jersey Division of Taxation states that certain employee business-expense reimbursements reported as wages may be excluded from New Jersey wage income.
To qualify, the expenses must be job-related and properly accounted for to the employer. The employee must also be reimbursed for the exact amount of the allowable expenses.
Because federal and New Jersey tax treatment can differ depending on how a program is structured, employers should review their specific approach with a qualified tax professional.
What Mileage Counts as Business Mileage in New Jersey?
Generally, mileage reimbursement applies to driving for a legitimate business purpose rather than ordinary personal commuting.
Business mileage can include trips such as:
- Driving from an office to a customer or client location
- Traveling between job sites during the workday
- Making business deliveries or service calls
- Driving to qualifying off-site meetings or temporary work locations
Ordinary commuting between an employee's home and regular place of work is generally considered personal commuting under federal tax rules.
The IRS explains the distinction between commuting and qualifying business transportation in Publication 463.
Keeping business and personal driving separate is important. Employees should maintain mileage records that identify the business purpose and distance associated with reimbursed trips.
What Is the New Jersey State Employee Mileage Rate?
New Jersey state employees operate under a separate set of travel rules.
The New Jersey Department of the Treasury's Circular 23-02-OMB states that eligible use of a personal vehicle for official state business is reimbursed at $0.47 per mile until further notice.
The circular also makes clear that state-owned vehicles or state-contracted rental vehicles are preferred when available or more cost-effective.
The $0.47 rate should not be confused with the older statutory figure of $0.18 per mile. New Jersey's underlying statute contains that amount, while subsequent appropriations have adjusted the actual mileage reimbursement rate.
There is also a proposal to change this framework.
New Jersey Senate Bill S265, introduced in the 2026 session, would tie mileage reimbursement for state officers and employees to the IRS standard business mileage rate and repeal the existing twice-yearly adjustment mechanism.
S265 is a legislative proposal, so employers and employees should check its current status before assuming any proposed change has taken effect.
What Mileage Reimbursement Options Can New Jersey Employers Use?
The IRS standard mileage rate is one approach, but employers have other options depending on how frequently employees drive, where they operate, and what their business-required vehicle costs look like.
Cents-Per-Mile (CPM)
Cents-Per-Mile (CPM) reimburses employees for business-required vehicle costs through a set rate for each qualifying business mile.
Many employers use the IRS standard mileage rate for CPM because it provides a straightforward national benchmark.
CPM can be a practical fit for employees who drive less frequently or have relatively straightforward mileage patterns.
Fixed and Variable Rate (FAVR)
Fixed and Variable Rate (FAVR) reimburses drivers for the real, business-required fixed and variable costs associated with owning and operating a personal vehicle for work.
Fixed costs can include items such as depreciation, insurance, registration, and taxes. Variable costs can include fuel, maintenance, and tires.
The IRS recognizes FAVR as a mileage allowance methodology and sets detailed requirements for how qualifying programs are calculated and administered.
For 2026, IRS Notice 2026-10 also sets a maximum standard automobile cost of $61,700 for purposes of computing a FAVR allowance.
Unlike a single national CPM rate, FAVR can account for differences in factors such as location and business mileage.
Tax-Free Car Allowance (TFCA)
A Tax-Free Car Allowance (TFCA) can reimburse employees for the real, business-required cost of using a personal vehicle for work when the arrangement is structured and substantiated under applicable accountable-plan rules.
For companies with different types of employees and driving patterns, a mixed mileage reimbursement program can also make sense.
For example, an organization might use FAVR for frequent field drivers and CPM for employees who drive occasionally.
The goal is to match the mileage reimbursement method to how each employee group actually drives.
What About Flat Car Allowances?
A traditional flat car allowance typically gives an employee a set payment each month, regardless of how much they drive for work.
That can make allowances simple to administer. The tax treatment depends on how the arrangement is structured.
Under IRS Publication 463, reimbursements under an accountable plan can generally be excluded from wages when the applicable requirements are satisfied.
Payments made under a nonaccountable plan are generally treated as wages.
Flat allowances can also make it difficult to reflect differences in business mileage, geography, fuel prices, insurance, maintenance, and other driving costs across a workforce.
Companies reviewing their current approach may want to compare the simplicity of a traditional allowance with mileage reimbursement methods tied more directly to documented business driving.
How Should Employers Manage Mileage Reimbursement in New Jersey?
A good mileage reimbursement program starts with a clear written policy.
Employees should understand what counts as business mileage, how trips should be recorded, which reimbursement method applies, and how and when payments are made.
Accurate mileage records matter too.
IRS Publication 463 sets out substantiation requirements for accountable-plan expenses, and reliable mileage data also gives employers a clearer view of business driving across their workforce.
It is also worth reviewing the program regularly. Mileage patterns, fuel costs, insurance costs, employee roles, and tax rules change over time.
The IRS's mid-year rate increase in 2026 is a useful example.
A mileage reimbursement program should be structured to keep up with those changes rather than relying on assumptions that may no longer fit the workforce.
Build a Mileage Reimbursement Program That Fits Your New Jersey Drivers
New Jersey gives private employers flexibility in how they approach mileage reimbursement.
That makes it important to choose a program that reflects how employees actually drive while supporting clear documentation, appropriate tax treatment, and fair reimbursement.
Depending on your workforce, that could mean using FAVR, CPM, TFCA, or a mix of mileage reimbursement methods for different driver groups.
Cardata helps companies design and manage mileage reimbursement programs for employees who use personal vehicles for work.
From mileage capture and reimbursement calculations to compliance support and direct-to-driver payments, we help make mileage reimbursement clearer for employees and easier for Finance, HR, and Operations teams to manage.
Reach out to Cardata to start building a mileage reimbursement program that fits your team.
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