Form 1040 Schedule D-1: Capital Gains and Losses Continuation Sheet
What Form 1040 Schedule D-1 Is For
Important Note: Schedule D-1 was discontinued after tax year 2010. For tax year 2014 and subsequent years, taxpayers must use Form 8949 (Sales and Other Dispositions of Capital Assets) to report individual capital gain and loss transactions that don't fit on Schedule D.
Schedule D-1 served as a continuation sheet for Schedule D (Capital Gains and Losses) when taxpayers needed additional space to list their capital asset transactions. The form provided extra lines using the same format as Schedule D to accommodate taxpayers with numerous stock sales, bond transactions, real estate disposals, or other capital asset exchanges. Taxpayers would list the description of each property sold, acquisition and sale dates, sales proceeds, cost basis, and resulting gain or loss. The totals from Schedule D-1 would then transfer to the main Schedule D, which calculated the overall net capital gain or loss reported on Form 1040.
When You’d Use Form 1040 Schedule D-1 (Late/Amended Returns)
For tax years when Schedule D-1 was still in use (through 2010), taxpayers would attach it to their original Form 1040 filing when the transaction lines on Schedule D were insufficient. If filing a late return for years 2010 or earlier, Schedule D-1 would be needed when reporting more transactions than Schedule D could accommodate. For amended returns (Form 1040-X) correcting capital gains for those historical years, Schedule D-1 would be attached if the amended Schedule D required additional transaction listings. The form was particularly necessary for active investors, retirees systematically liquidating portfolios, or anyone experiencing significant life events requiring multiple asset sales.
Key Rules or Details for Years When Schedule D-1 Was in Use
Schedule D-1 followed the same fundamental rules as Schedule D itself. Transactions were separated into short-term (assets held one year or less) and long-term (assets held more than one year) categories, as the tax treatment differed significantly between these classifications. Each transaction required complete information: property description, dates of acquisition and sale, sales price, cost or other basis, and the resulting gain or loss calculation. Taxpayers could not selectively report transactions—all sales and exchanges of capital assets during the year required reporting, even if some resulted in losses. The form required attachment to Schedule D, and continuation sheet subtotals had to accurately transfer to the appropriate lines on the main schedule. Married couples filing separately faced a $1,500 capital loss limitation, while other filing statuses could claim up to $3,000 in net capital losses against ordinary income.
Step-by-Step (High Level)
First, determine whether your capital asset transactions exceeded the space available on Schedule D. Gather all documentation including Forms 1099-B from brokers, real estate closing statements, and records of asset purchases and improvements. Separate transactions into short-term and long-term categories based on holding periods. On Schedule D-1, use the same column headings as Schedule D: property description, date acquired, date sold, sales price, cost basis, and gain or loss. List each transaction on a separate line with accurate information in each column. Calculate the gain or loss for each transaction by subtracting the cost basis from the sales price. After listing all overflow transactions, total each column at the bottom of Schedule D-1. Transfer these subtotals to the corresponding lines on Schedule D where it instructs to include amounts from continuation sheets. Attach all Schedule D-1 pages to your tax return behind Schedule D, ensuring they're properly labeled with your name and Social Security number.
Common Mistakes and How to Avoid Them
The most frequent error was failing to attach Schedule D-1 to the tax return, which resulted in the IRS receiving incomplete capital gain information and potentially assessing additional tax. To avoid this, always paper-clip or staple all continuation sheets to Schedule D before mailing. Another common mistake involved incorrectly transferring subtotals from Schedule D-1 to Schedule D, causing mathematical errors throughout the return. Double-check that totals from each column on the continuation sheet accurately add to the corresponding Schedule D lines. Taxpayers sometimes mixed short-term and long-term transactions on the same continuation sheet, which created confusion and tax calculation errors—maintain strict separation between these categories. Omitting critical details like acquisition dates or cost basis left transactions incomplete and invited IRS inquiries. Keep thorough records and ensure every line contains complete information. Some filers forgot to include their name and Social Security number on Schedule D-1 pages, which could cause processing delays if pages became separated. Label each page clearly at the top.
What Happens After You File
After filing your return with Schedule D-1 attached, the IRS processes the information by entering the summarized totals from Schedule D into their systems. The detailed transaction listings on Schedule D-1 serve as supporting documentation but aren't typically entered line-by-line unless the return undergoes examination. The IRS compares reported capital gains and losses against Forms 1099-B submitted by brokers and other information returns. Discrepancies may trigger automated notices requesting clarification or proposing adjustments. If your reported capital gains differ significantly from prior years or show unusual patterns, the return might be selected for further review. Properly completed Schedule D-1 forms with accurate totals help ensure smooth processing. The IRS generally has three years from the filing date to audit returns, though this period extends to six years if substantial income was omitted. Keep copies of Schedule D-1, Schedule D, all supporting documentation, and proof of cost basis for at least seven years.
FAQs
Why do I need a continuation sheet for my capital gains?
The main Schedule D form has limited lines for listing individual transactions. When you have more stock sales, property disposals, or other capital asset exchanges than will fit on Schedule D, you use Schedule D-1 to list the overflow transactions while maintaining the same organized format.
Can I create my own continuation sheet instead of using the official Schedule D-1?
While the IRS preferred the official form, taxpayers could create their own continuation sheets if they followed the exact same column format and included all required information. However, using the official Schedule D-1 reduced errors and processing delays.
Do I need separate Schedule D-1 forms for short-term and long-term transactions?
Not necessarily. Schedule D-1 typically included sections for both short-term and long-term transactions, similar to Schedule D. However, if you needed multiple continuation sheets, you could use separate forms for organizational purposes as long as you clearly indicated which category each sheet covered.
What happens if I forget to attach Schedule D-1 to my return?
The IRS would process your return based only on the transactions visible on Schedule D, likely calculating an incorrect tax liability. You would probably receive a notice indicating a discrepancy between reported gains and Forms 1099-B on file. You'd need to respond with the missing Schedule D-1 or file an amended return.
How do I report the totals from Schedule D-1 on my main Schedule D?
After completing all transaction listings on Schedule D-1, you calculate column totals at the bottom of each section. These subtotals transfer to specific lines on Schedule D where instructions indicate to include amounts from continuation sheets or Forms 8949, combining them with any transactions listed directly on Schedule D.
If I have both gains and losses on Schedule D-1, do they offset each other?
Yes, gains and losses within the same category (short-term or long-term) offset each other. You calculate the net amount for each category on Schedule D after incorporating Schedule D-1 totals. Short-term and long-term categories are then combined on Schedule D with specific ordering rules for maximum tax benefit.
Must I report all capital transactions even if my broker already sent information to the IRS?
Absolutely. Even though brokers report transactions to the IRS via Forms 1099-B, you must still report all transactions on your return using Schedule D and any necessary continuation sheets. The IRS matches your reported transactions against Forms 1099-B, and missing transactions will trigger notices even if the IRS already has the information from your broker.
This summary is based on IRS.gov authoritative sources. Note that Schedule D-1 was replaced by Form 8949 beginning with tax year 2011. For 2014 and later tax years, use Form 8949 instead of Schedule D-1 to report individual capital asset transactions.
IRS Schedule D Instructions 2014


