What this line means
The farm optional method lets you report two-thirds of your gross farm income as SE earnings instead of using your actual net farm profit. Enter the smaller of two-thirds of gross farm income (not less than zero) or the amount on line 14. This method is designed for farmers who had a loss year or very small profit but want to pay SE tax to build Social Security credits. The amount flows to line 4b in Section A.
Does this apply to you?
- You had a farm loss on Schedule F and want to earn Social Security credits for the year
- You had very low net farm profit but significant gross farm income
- You have not used the farm optional method five times in prior tax years
- You are willing to pay SE tax on income higher than your actual net profit
Easy to overlook
Gross farm income, not net farm income, is the basis The farm optional method uses gross farm income (Schedule F, line 9), not net farm profit (line 34). A farmer with $90,000 in gross income and a $10,000 net loss can report up to $60,000 (two-thirds of $90,000) in SE earnings using the optional method. The method ignores expenses entirely — it looks only at what came in, not what went out. 1 IRS Schedule SE instructions — Line 15
Each use counts toward the five-year lifetime limit Every year you use the farm optional method counts as one of your five lifetime uses, regardless of the amount reported. Using it in a year when your gross farm income is minimal (producing a small optional method amount and small SE tax) still burns one of your five chances. Reserve the method for years when earning Social Security credits matters most. 2 IRS Publication 225 — Farmer’s Tax Guide
Watch out for this
Entering more than the line 14 cap. The farm optional method amount is the smaller of two-thirds of gross farm income or the line 14 maximum. If two-thirds of your gross farm income exceeds the cap, you enter the cap amount. Entering the larger number overstates your optional method earnings and produces excess SE tax.
Footnotes
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IRS Schedule SE (Form 1040) Instructions, Line 15. https://www.irs.gov/instructions/i1040sse ↩
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IRS Publication 225, Farmer’s Tax Guide, Farm Optional Method. https://www.irs.gov/pub/irs-pdf/p225.pdf ↩