Form 8949 (2018) Tax Year Checklist
Purpose and Overview
Form 8949 reports sales and dispositions of capital assets for the 2018 tax year. You must classify each transaction by holding period to determine whether gains or losses qualify as short-term or long-term capital gains or losses. Assets held one year or less generate short-term results, while assets held more than one year produce long-term outcomes.
The IRS uses Form 1099-B reporting to determine whether brokers reported your cost basis, which directly affects how you complete Form 8949 and whether you can bypass the form entirely under certain conditions. Understanding capital gain or loss classification helps you prepare an accurate tax return and avoid common filing errors.
Holding Period Classification
Begin counting your holding period the day after you acquire property and include the day you dispose of it. Short-term capital assets remain in your possession for one year or less from acquisition to sale. Long-term capital assets stay in your hands for more than one year before disposition.
This classification determines which part of Form 8949 you complete and which Schedule D lines receive your totals. Incorrect classification of the holding period can lead to reporting errors, which may result in IRS correspondence or adjustments to your Form 1040. Publication 551 provides detailed guidance on basis calculations and holding period rules that apply to inherited property, gifted assets, and other special situations.
Form 1099-B and Basis Reporting
Request all Form 1099-B statements or substitute documents from your brokers before you begin completing Form 8949 instructions 2018. Each statement indicates whether the broker reported your cost basis to the Internal Revenue Service. This distinction controls which checkbox you select on Form 8949 and whether you qualify for the exception that allows direct reporting to Schedule D.
Verify that each IRS Form 1099-B shows accurate basis information before you proceed with any reporting method. Brokers must report covered securities transactions on IRS Form 1099-B, but you remain responsible for verifying accuracy and making necessary adjustments.
This checklist is for educational purposes only and does not conson,titute tax or legal advice. Always review official IRS instructions and consult a qualified professional for gufothat the ridance.,are reportedwhen usin,,the gfor
Short-Term Transaction Reporting
Part I of Form 8949 captures all short-term gains and losses from capital assets held one year or less. Check Box A on Form 1099-B if the basis was reported to the IRS and no adjustments or codes apply to your transactions. Transactions meeting Box A criteria may bypass Form 8949 entirely if you aggregate totals directly on Schedule D line 1a.
Select Box B when Form 1099-B shows the basis was not reported to the IRS. List each Box B transaction separately in Part I columns (a) through (h), including property description, acquisition date, sale date, proceeds, cost basis, adjustment codes, adjustment amounts, and calculated capital gain or loss. For short-term transactions not reported on any Form 1099-B statement, mark Box C on your form.
Enter each transaction in Part I with complete information across all required columns. Include your basis even though no broker reported the information. Apply adjustment codes only when specific items require modification, as per the 2018 IRS instructions for Form 8949. Short-term capital losses offset short-term gains before you apply them against long-term gains on your Form 1040.
Long-Term Transaction Reporting
Part II of Form 8949 handles all long-term gains and losses from capital assets held more than one year. Check Box D when Form 1099-B confirms the basis was reported to the IRS, and no adjustments apply to your transactions. Qualifying Box D transactions may skip Form 8949 if you enter aggregated totals directly on Schedule D line 8a.
Select Box E when Form 1099-B shows the basis was not reported to the IRS. Complete Part II columns (a) through (h) for each transaction separately, following the same structure as Box B transactions but documenting assets held longer than one year. Long-term gains receive preferential tax treatment compared to short-term gains on your completed tax return.
For long-term transactions not reported on Form 1099-B, mark Box F on your form. List each transaction in Part II with complete column entries across all eight columns. Verify that acquisition dates and sale dates clearly support the long-term holding period classification before you finalize your entries. Capital losses from long-term positions reduce your long-term gains before offsetting short-term gains.
This checklist is for educational purposes only and does not conson,titute tax or legal advice. Always review official IRS instructions and consult a qualified professional for gufothat the ridance.,are reportedwhen usin,,the gfor
Schedule D Capital Gains Reporting Integration
Calculate totals in row 2 for each Form 8949 page by summing columns (d), (e), (g), and (h) while subtracting negative amounts. Transfer these totals to the appropriate Schedule D lines based on which box you checked. Box A totals flow to line 1b, Box B totals to line 2, and Box C totals to line 3 for short-term transactions.
Box D totals flow to line 8b, Box E totals to line 9, and Box F totals to line 10 for long-term transactions. Complete separate Form 8949 pages when transactions exceed the available space for a single box. Never mix different boxes on a single page or combine short-term and long-term transactions in the same part.
Use the Schedule D tax worksheet to calculate your final tax liability after combining all capital gain or loss amounts. The Capital Gain Tax Worksheet helps you determine whether you qualify for preferential long-term capital gains tax rates.
Filing and Documentation Requirements
Attach all completed Form 8949 pages to Schedule D in the order presented, with your Social Security Number or Taxpayer Identification Number appearing on each page. Complete additional pages by checking the same box when more transactions exist than the available space allows. Review each adjustment code entry to verify that amounts in column (g) correspond to valid codes from the 2018 instructions in column (f).
Omit column (g) entries that lack valid supporting codes. An incorrect basis reported on Form 1099-B requires you to enter the reported basis in column (e) and correct it using an adjustment in column (g) rather than overwriting column (e) directly. File your completed Form 8949 with your Form 1040 by the April filing deadline unless you request an extension.
Exception for Direct Schedule D Reporting
Form 8949 becomes optional when all your transactions meet specific criteria that allow direct reporting to Schedule D. This exception applies only to transactions where Form 1099-B shows the basis was reported to the IRS, the form displays no adjustments in boxes 1f or 1g, and the Ordinary box in box two remains unchecked. You need no adjustments to the basis, gain, or loss.
Qualifying short-term transactions are reported directly on Schedule D, line 1a, without using Form 8949. Qualifying long-term transactions are reported directly on Schedule D, line 8a, without the use of Form 8949. You may combine both exceptions on the same tax return when different transaction groups qualify for each line.
Common Reporting Scenarios
Non-business bad debts require treatment as short-term capital losses, regardless of how long the debt remains outstanding. Report these losses on Part I of Form 8949 with Box C checked.
Corporations receiving capital gains or losses from partnerships, estates, or trusts report net short-term amounts on Part I with Box C checked and net long-term amounts on Part II with Box F checked.
Enter the source in column (a) and the net amount in column (h) while leaving other columns blank. Schedule K-1 forms from partnerships document your share of partnership interests that generate capital gains or losses, which require Form 8949 reporting. An S corporation distributes capital gain information to shareholders through Schedule K-1, which you must report on your individual Form 1040.
Gains from involuntary conversions reported on Form 4684 transfer to Form 8949 when they involve capital assets not used in your trade or business. Form 4797 handles sales of business property, but you report certain losses from depreciable property held for investment on Form 8949 instead of Form 4797. Like-kind exchanges reported on Form 8824 may generate recognized gains that require Form 8949 reporting when the exchange involves capital assets.
Need Help With Your Tax Filing?
If you’re missing tax documents or want to ensure the numbers you enter match IRS records, we can help.
We offer:
- Full IRS transcript retrieval (Wage & Income + Account)
- Professional tax form review
- Preparation & filing support
- Tax relief options if you owe the IRS
Call now before filing: (888) 260-9441
Fast transcript pull available
This checklist is for educational purposes only and does not constitute tax or legal advice. Always review official IRS instructions and consult a qualified professional for guidance.
