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Service Truck Fuel and Mileage Tracking for Plumbers

A practical, data-backed guide to controlling costs and automating expense workflows.

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To accurately track fuel and mileage for your plumbing service business, it's essential to implement a reliable system that ensures you're meeting tax requirements. Plumbing service expense management software can be a valuable tool in helping you streamline your accounting and reimbursement processes. However, the Tax Cuts and Jobs Act (TCJA) has introduced significant changes to unreimbursed employee travel expenses, and state laws may also impact your reimbursement requirements.

Tag every case to a dentist

As a plumbing business owner, accurately tracking fuel and mileage is crucial for claiming eligible tax deductions and reimbursements. To stay on top of this, it's essential to tag every case to a dentist. This means keeping a record of all vehicle-related expenses, including fuel, maintenance, and repairs.

To tag every case to a dentist, start by maintaining a logbook or spreadsheet to track all vehicle-related expenses. This can be a paper-based system or a digital tool, such as Google Sheets or Microsoft Excel. Include columns for date, vehicle make and model, miles driven, fuel type, and mileage rate.

It's also a good idea to keep a record of any maintenance or repairs made to the vehicle, as these can affect mileage rates. Additionally, consider keeping a record of any charitable donations, which may be deductible as business expenses.

Business Use Percentage
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Track fuel and mileage

  1. Determine your business use percentage for the year. This will help you calculate your deductible mileage for the year. You can use a simple formula: (total miles traveled in the business year / total miles traveled in the business year) x 100. If you don't know your business use percentage, you can use the standard mileage rates provided below.
  1. Calculate your deductible mileage for the year.
  1. Use the standard mileage rates to calculate your deductible mileage for the year. Multiply the number of miles you traveled in the business year by the standard mileage rate for that year.
  1. Keep accurate records of your deductible mileage. You can use a spreadsheet or a simple notebook to track your miles. Make sure to include the date, mileage, and reason for each trip.
  1. However, there are specific rules for leased vehicles, and you may need to consult with a tax professional to ensure you are following the correct procedures.
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Choose the right mileage method

Here is the "Choose the right mileage method" section:

  1. This allows the business to adapt to changing mileage rates over time.
  2. If the vehicle is leased, the standard mileage rate must be used for the entire lease period. This means that the business must pay taxes on the leased vehicle's mileage, even if it's not used for business.
  3. If the business operates five or more cars simultaneously, the standard mileage rate method cannot be used.
  4. To determine which mileage method to use, the business can refer to the IRS Publication 463, "Travel and Transportation for Business." The publication provides guidance on the mileage methods available and the rules for each.

Record mileage and expenses

1. For tax years 2018 through 2025, the IRS prohibited the deduction of unreimbursed employee travel expenses. This means that plumbers cannot claim these expenses as itemized deductions on their tax returns. 2. The prohibition on unreimbursed employee travel expenses is set to expire at the end of 2025. However, the IRS has not yet made any changes to this provision, so it is unclear whether it will remain in place. 3. The IRS sets standard mileage rates for business, medical, and moving expenses. The IRS updates its standard mileage rates annually, typically in late fall for the following year. State laws regarding employer reimbursement for business expenses may also vary. 5. Some states have laws that require employers to reimburse employees for necessary business expenses, which can include mileage. For example, California requires employers to reimburse employees for mileage between work and home. 6. 7. The IRS allows plumbers to choose between the standard mileage rate or actual expenses when reimbursing employees. However, there are specific rules for leased vehicles and fleet operations.

Incurdesk expense report with columns Mileage Tracking, Categories, Roles, Items
Record mileage and expenses (sample data)

Understand and comply with IRS guidelines

The IRS requires detailed records for each business trip, including the date, destination, business purpose, and odometer readings (start and end) or total miles driven. This is to ensure that the IRS can accurately determine the amount of business expenses and deduct them from taxable income. Records must be created at or near the time of the trip to be considered valid by the IRS.

In states with reimbursement laws, employers may need to reimburse actual costs or use a rate that adequately covers those costs, rather than strictly adhering to the IRS rate if it's insufficient. For example, if a plumber drives 10,000 miles in a year, the IRS might consider the actual cost of gas, maintenance, and other expenses when determining the business expense deduction. However, the employer must follow the state's reimbursement guidelines and provide documentation to support the reimbursement claim.

To ensure compliance with IRS guidelines, businesses should keep accurate and detailed records of each trip, including the following:

  • Date and destination of the trip
  • Business purpose of the trip
  • Type of vehicle used
  • Fuel type and amount consumed
  • Total expenses incurred during the trip (e.g., gas, maintenance, lodging)

It's essential to note that the IRS may audit records to ensure compliance with their guidelines. By keeping accurate and detailed records, businesses can avoid penalties and ensure that they are taking advantage of the tax deductions available to them.

Tax rules, limits and rates change. Confirm current figures with the IRS or your accountant before you file.

Keeping this simple: Incurdesk turns submitted expenses into clean expense reports. It is built for small plumbing service teams. Try it free.

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