What this line means
The sum of lines 8a through 8z. This is the combined total of all “other income” items — net operating loss, gambling winnings, cancellation of debt, scholarship income, and any other miscellaneous income. Some of these amounts (like NOL and foreign earned income exclusion) are negative, so this total can be less than the individual positive amounts.
Does this apply to you?
- You entered any amount on lines 8a through 8z
- You have multiple types of other income that need to be combined
- You have a mix of positive income and negative adjustments in the line 8 section
Easy to overlook
Negative amounts reduce this total Lines 8a (net operating loss), 8d (foreign earned income exclusion), and 8s (nontaxable Medicaid waiver payments) are shown in parentheses on the form, meaning they are subtracted. 1 When adding lines 8a through 8z, treat parenthesized amounts as negative numbers. A filer with $5,000 in gambling winnings (line 8b) and a $3,000 NOL deduction (line 8a) has a total other income of $2,000, not $8,000. General filing pattern — sign errors on negative amounts
This line feeds into the total additional income calculation Line 9 flows to line 10, where it combines with lines 1 through 7. If line 9 is negative (because NOL or other negative items exceed positive items), it reduces your total additional income. 2 This reduction flows directly to Form 1040 line 8, lowering your total income. IRS Schedule 1 Instructions — Line 9
Watch out for this
Adding all amounts as positive numbers when some should be negative. The form prints certain lines with parentheses to indicate they reduce income. If you ignore the parentheses and add everything as a positive number, you overstate your income and pay more tax than you owe.
Footnotes
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IRS Schedule 1 (Form 1040) Instructions, Line 9. https://www.irs.gov/pub/irs-pdf/i1040s1.pdf ↩
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IRS Schedule 1 (Form 1040) Instructions, Lines 8-10. https://www.irs.gov/pub/irs-pdf/i1040s1.pdf ↩