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What does “no adjustments” mean?
Typically that applies if the broker Form 1099-B reports an incorrect basis to the IRS.  If the Form 1099-B shows incorrect basis relative to your records, then you can use 8949, column (g) to report the correct basis.  The 8949 Instructions provide a brief example. http://www.irs.gov/pub/irs-prior/i8949--2013.pdf Although you have an obligation to report all income, and hence to report the true basis, as a practical matter this information will usually be correct as presented by the broker.  If you have separate information or reports relating to your investments, and you are so inclined, then you can double-check the basis information in your 1099-B. If you aren't aware of basis discrepancies, then the adjustments probably don't apply to you and your investments can stick to Schedule D.