Blog | UnCommon Farms

Understanding Prepaid Supplies and Expenses for Farmers

Written by Melody Clements | November 18, 2025

For farmers and ranchers who use the cash method of accounting, strategically prepaying expenses can unlock valuable tax benefits. When used correctly, prepaid supplies and rent allow producers to manage taxable income and smooth out financial swings between years. But without proper planning and documentation, these strategies can draw unwanted IRS attention and potential penalties. In this article, we’ll explain how prepaid farm supplies work, the IRS’s 50% rule, when prepaid rent is deductible, and best practices for managing prepaid expenses safely.

 

 

What Are Prepaid Farm Supplies?

Prepaid supplies are items such as seed, feed, fertilizer, and chemicals that are paid for before year-end but used in the following year. These costs are deductible in the year they are paid—as long as they meet certain IRS conditions:

  • The purchase is for a specific quantity and price.
  • The supplies serve a valid business purpose.
  • The payment is properly documented.
  • The deduction doesn’t materially distort income.

However, the IRS places limits on how much of these expenses can be deducted in a single year. 

 

The IRS 50% Rule: Keeping Prepaid Deductions in Check

In most cases, the IRS limits prepaid farm supply deductions to 50% of other deductible farm expenses for the year (excluding the prepaids themselves).

Example:
If a farmer’s other deductible expenses total $100,000, the maximum prepaid supply deduction allowed is $50,000 (50% of $100,000).

  • Prepaids up to $50,000 may be fully deducted.
  • If $70,000 was prepaid, the remaining $20,000 must be deducted in the year the supplies are actually used.

Exceptions may apply when there are major operational changes—such as a significant expansion, disaster, or other extraordinary circumstances—or if your three-year average of prepayments is below 50% of other deductible expenses.

A farm-related taxpayer is defined as someone whose main residence is on a farm, whose principal occupation is farming, or who is a family member of such a taxpayer. This definition may also extend to corporations primarily engaged in farming activities.

 

Prepaying Rent Expense

Farmers and ranchers on the cash basis can also prepay up to one year’s rent for land, buildings, or equipment and deduct the expense in the year it’s paid—as long as it covers 12 months or less and is not simply a deposit.

Unlike prepaid supplies, prepaid rent is not subject to the 50% limitation. However, only the business-use portion of rent qualifies; any personal or residential portion must be excluded.

 

Why Cash Basis Accounting Gives Farmers an Advantage

The cash method of accounting allows farmers to deduct expenses when they’re paid and report income when it’s received—not when earned or incurred. This offers several key benefits:

  • Flexibility in timing: Defer income or accelerate deductions to stay in optimal tax brackets.
  • Income smoothing: Offset fluctuations from market volatility or weather-related yield changes.
  • Simplified bookkeeping: Focus only on actual cash spent or received.

By strategically timing payments near year-end, cash-basis farmers can actively manage their taxable income and improve year-to-year financial stability.

In addition to thoughtful prepayments, you’ll want a robust farm budget to guide your decisions. See our Farm Budgeting 101: Getting Started article for tools and tactics to build a more resilient farm budget.

 

Risks of Overusing Prepaid Expense Strategies

While prepaid deductions are valuable, excessive or poorly documented use can backfire. The IRS scrutinizes prepayments closely and may deny deductions if:

  • The 50% rule is exceeded.
  • Purchases are undocumented or structured as deposits.
  • There’s no legitimate business need for large prepayments.
  • Recurring high prepayments distort reported income.
  • Poor records make compliance difficult to prove.

Large prepayments can also strain cash flow and create tax complications if conditions change unexpectedly. Overly aggressive prepayments may stress your capital position or reduce flexibility for debt service. For more on balancing cash, assets, and debt, check out Capital Management: Understanding Farm Asset & Debt Management.

 

Best Practices for Managing Prepaid Farm Expenses 

To maximize benefits and minimize audit risk, farmers should:

  • Maintain clear records detailing the item, quantity, price, and business purpose.
  • Follow the 50% rule unless a valid exception applies.
  • Limit rent prepayments to no more than 12 months.
  • Work with a qualified farm tax advisor before executing major prepayments.

Cash-basis farmers who apply these practices can enjoy flexibility in tax management while maintaining compliance and long-term financial health. To get a clearer sense of how farm-specific accounting works—especially when weaving in prepayments, depreciation, and tax strategy—refer to our post Farm Accounting & Financial Management Simplified.

 

Work With UnCommon Farms for Farm Tax Planning 

At UnCommon Farms, we help farmers and ranchers take a proactive approach to tax strategy. From managing prepaid expenses to navigating farm real estate tax rules and succession planning, our team understands how to make your operation’s financial plan work smarter.

Looking to make the most of your year-end tax strategy? Contact UnCommon Farms today to discuss your operation’s financial goals and create a tax plan that supports your farm’s success.