The 2020 IRS Mileage Rate - Is Your Business Ready?

Written by mBurse Team Member Nov 25, 2019 7:17:00 AM

In a few weeks, the IRS will release the 2020 standard business mileage rate. Whether your company uses the IRS for reimbursements or is considering it, here's what you need to know to be prepared for 2020.

What will the IRS mileage rate be in 2020?

Right now, that's a mystery. The rate could be higher, lower, or equal to the 2019 rate of $.58/mile. Last year saw an increase from $.545/mile. Will this year also see an increase? When the IRS releases its new rate, we'll keep you updated.

In the meantime as businesses across the country plan ahead, the most important thing is to understand how this rate works and to evaluate whether it's a good fit for your organization when it comes to reimbursing employees for business vehicle expenses.

Stop overspending on your car allowance or reimbursement

What is the IRS standard business mileage rate?

Each year, the IRS publishes mileage rates for tax deduction purposes, including the standard business rate, the medical rate, and the charity rate ($.58/mi, $.20/mi, and $.14/mi, respectively, for 2019). Self-employed taxpayers may use the business rate to deduct mileage accrued from work-related travel. Employees, however, may no longer use this tax deduction, which the tax reform eliminated for tax years 2018-2025. 

Additionally, many organizations use the IRS business mileage rate as a cents-per-mile vehicle reimbursement for employees. The IRS mileage rate qualifies as a tax-free, IRS Accountable Plan and is easy to administer. It is often referred to as the Safe Harbor Rate because it represents the maximum reimbursement a company can pay tax-free without documentation tying the payments to expenses.

However, employers using or considering the IRS rate for reimbursements should remember that it was designed to be a tax deduction tool, not a business reimbursement tool. Using the wrong tool for the task leads to costly problems that will not change in 2020, no matter what the rate is.

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1. The 2020 IRS standard rate can't actually reimburse business travel expenses.

Many organizations opt for the IRS mileage rate because it is easy, tax-exempt, and seems defensible. But while the Safe Harbor Rate works for tax deductions, it cannot provide the transparency necessary for defensible reimbursements – it cannot reveal or reflect the actual expenses of business travel.

The 2020 IRS mileage rate will be derived from a blend of vehicle cost factors averaged out from across the U.S from 2019. This means IRS standard mileage rate will not represent actual vehicle ownership and operating costs for any specific vehicle in any specific geographic area of the country.

Many costs, such as insurance, gas, registration, and taxes vary by region. For example, the average U.S. auto insurance rate in 2019 was $1,621 for a year of full coverage, but in the state of Michigan that number was $4,079! The IRS rate works as a tax deduction rate but not as a reimbursement rate. It cannot actually reimburse a real driver – unless that driver happens to match the average vehicle costs across the entire country.

The fact is, actual costs per mile will fall below the IRS standard rate for many drivers and exceed that same mileage rate for others, especially during times of high gas costs.

2. The 2020 IRS standard rate will deliver inequitable mileage reimbursements

Many organizations utilize the IRS tax deduction rate to reimburse all drivers ­– no matter the territory costs or the territory size (i.e. the number of miles driven). On the surface, this mileage rate seems fair, because everyone gets the same rate of reimbursement. However, large cost variances between vehicle expenses and territory sizes render the IRS rate inequitable. Equal is just equal; it is not equitable.

If all employees experienced the same costs and territory sizes, a uniform reimbursement rate structure would make sense. But that’s not reality.

Scenario: 2 drivers reimbursed with IRS tax deduction rate

Driver 1 and Driver 2 live in the same zip code, own the same year / make / model vehicle, purchase the same insurance coverage, and incur the same ownership expenses (registration, taxes, and license fees). Driver 1 has a driving territory that is more urban with a higher density of businesses and, therefore, drives 12,000 business miles per year. Driver 2 has a driving territory that is more rural and must drive further between business calls, traveling around 24,000 business miles per year.

At 58 cents per mile (the 2019 IRS standard rate), Driver 1 will receive $6,960 in reimbursements in a year, while Driver B will receive $13,920.

If we presume both drivers incur the same fixed annual ownership costs of $5,000, Driver 1 is reimbursed $1,960 or 16.3 cents per mile in addition to the $5,000, while Driver 2 receives $8,920 or 37.2 cents per mile on top of the $5,000—a difference of 20.8 cents-per-mile. While it is true that Driver 2 will experience higher vehicle depreciation as a result of the higher number of miles driven, the cost of depreciation will equal the 20.8 cents-per-mile difference between Driver 1 and Driver 2.

The bottom line: Driver 2 is overpaid. Is this fair to Driver 1 or to the company?

Car driving business mileage

Using an IRS tax deduction rate as a business mileage reimbursement in 2020

This inequity of rate could easily cause low mileage employees like Driver 1 to attempt to “equalize” or increase their mileage reimbursement if they feel they are not being adequately reimbursed. The mileage increase comes in the form of mileage buffering, or overstating business mileage. Employees may rationalize that since their rate does not adjust with rising fuel prices, adding a few miles will not hurt.

Because of mileage buffering, it is extremely important to employ a mileage log that tracks and calculates mileage automatically as well as holds employees accountable for their business travel.

Transitioning from the IRS mileage rate to a transparent reimbursement rate based on current geographical cost data will reduce reported mileage by as much as 20-30%. This is not because employees will drive less, but because the business mileage will not generate a reimbursement profit. Instead, the rate will accurately reimburse each employee based on their actual costs.

Contact mBurse today for a free mileage reimbursement assessment. If you want to stick with paying a mileage reimbursement rate, the right mileage log will help manage time and costs – see how your mileage log stacks up. If you are interested in exploring a transparent reimbursement model such as the fixed and variable rate reimbursement (FAVR), learn more here:

Car allowance vs. FAVR Reimbursement

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