Working with a skilled tax preparer is an important part of managing a complex financial picture, but the most accurate returns are built on collaboration. Your preparer will ask for certain documents, but there are details they cannot anticipate without your input, and strategies that only deliver their full benefit when you bring the right information proactively. This guide is designed to help you understand what to gather, what to discuss with your preparer , and where your engagement makes a meaningful difference in the outcome of your 2025 return.
Your tax preparer may provide an organizer or checklist as a starting point. Common documents for complex returns include W-2s for employment income; 1099-INT, 1099-DIV, and 1099-B for interest, dividends, and investment activity; 1099-R for retirement account distributions; and K-1s from partnerships, S-corporations, trusts, and estates. On the deduction side, gather Form 1098 for mortgage interest, written acknowledgment letters from charitable organizations, medical expense records if you are itemizing, and documentation of any retirement accounts contributions, real estate and auto ownership tax documents.
For a foundational overview of the documents most filers need, you can also reference our 2024 tax document guide as a companion resource.
tax reporting forms from brokerage and custodial institutions often arrive later than other documents. Many custodians do not release final 1099 documents until late February, and corrected versions sometimes follow in March. Filing before all corrected statements have arrived can result in an amended return. Waiting for final versions before filing is the more prudent path.
If you are age 70 1/2 or older and transferred funds directly from your IRA to a qualified public charity in 2025, that transaction may qualify as a Qualified Charitable Distribution. A QCD allows up to $108,000 per individual to be excluded from taxable income entirely, and it counts toward your Required Minimum Distribution for the year. Because it reduces gross income rather than functioning as an itemized deduction, it delivers its full benefit regardless of whether you itemize.
This is one of the most important areas where your preparer depends entirely on documentation you provide. Your IRA custodian will issue a 1099-R reflecting the total amount distributed from your account, but the form does not identify any portion as a QCD. That distinction depends on the records you supply.
To ensure the exclusion is reported correctly, provide your preparer with a written acknowledgment from each charity confirming the amount received and that no goods or services were provided in exchange, along with confirmation that the transfer went directly from your IRA to the organization. Distributions made payable to you and subsequently forwarded to a charity do not qualify, nor do transfers to donor-advised funds, supporting organizations, or private foundations. A brief summary noting each recipient, the transfer date, and the amount gives your preparer everything needed to report the QCD accurately and protect the full value of the strategy.
Charitable contributions are among the most underreported deductions in complex returns, not because clients give less than they think, but because the documentation required to support larger and non-cash gifts is more detailed than many realize.
For cash contributions of $250 or more, a written acknowledgment from the receiving organization is required. A bank statement or credit card record alone is not sufficient. For non-cash donations, the rules become more layered. Contributions of non-cash property valued between $500 and $4,999 require Form 8283 filed with your return. Donations of non-cash property valued at $5,000 or more generally require a qualified written appraisal completed no earlier than 60 days before the donation and no later than the due date of your return. If you donated clothing, artwork, collectibles, or other tangible property in 2025, confirm with your preparer whether an appraisal is needed before your return is filed.
Gifts of appreciated securities are among the most tax-efficient forms of charitable giving available. When you donate long-held securities directly to a qualified charity, you receive a deduction based on the fair market value of the shares on the date of transfer and avoid the capital gains tax that would have applied had you sold them first. To support this deduction, provide your preparer with written acknowledgment from the charity, the date of the transfer, the number of shares donated, and the fair market value on the transfer date. Your brokerage statement will reflect the transaction, but the charity acknowledgment is what completes the record.
If you contributed to a donor-advised fund in 2025, the deduction is taken in the year of contribution regardless of when grants are distributed to individual charities. Gather your contribution confirmation from the sponsoring organization and confirm the total amount contributed. Note that transfers from a donor-advised fund to a charity do not qualify as QCDs, a distinction worth reviewing with your preparer if you use both strategies.
Gifts to family members and others are a meaningful part of many wealth plans, and in most cases they are straightforward. In 2025, individuals may give up to $19,000 per recipient, or $38,000 for married couples giving jointly, without any reporting requirement. These annual exclusion gifts do not affect your lifetime exemption and require no action at tax time beyond your own recordkeeping.
When gifts to any single recipient exceed $19,000 in 2025, however, Form 709, the United States Gift and Generation-Skipping Transfer Tax Return, is required. This is a separate filing from your individual income tax return, and it is one that clients occasionally overlook because no tax may actually be due. The excess amount above the annual exclusion reduces your available lifetime exemption, which for 2025 was $13.99 million per individual. Even when no gift tax is owed, the form must still be filed to document the use of your exemption accurately.
If you converted funds from a traditional IRA to a Roth IRA in 2025, the converted amount is included in your taxable income for the year and reported on Form 1040. Your custodian will issue a 1099-R showing the distribution, but as with a QCD, the form alone does not tell the complete story. Your preparer will also need to file Form 8606, which tracks the taxable portion of the conversion and is particularly important if any of your IRA funds include nondeductible, after-tax contributions.
The pro-rata rule is a critical detail for anyone who holds multiple IRA accounts. The IRS treats all traditional, SEP, and SIMPLE IRA balances as a single pool when determining what portion of a conversion is taxable. If you have a mix of pre-tax and after-tax dollars across multiple accounts, a conversion you may have expected to be largely tax-free can carry a larger liability than anticipated. Bringing your preparer a clear picture of all IRA balances as of December 31, 2025, along with any prior Form 8606 filings, allows them to calculate the taxable amount accurately and carry forward your basis correctly for future years.
Estimated quarterly payments are easy to lose track of across a full year, and discrepancies between what you paid and what your preparer expects to see are among the most common sources of delay at filing time. Gather records of every federal and state estimated payment made in 2025, including the payment date, amount, and confirmation number. The four federal due dates for 2025 were April 15, June 16, September 15, and January 15, 2026.
If your income fluctuated significantly in 2025, whether through a large distribution, a Roth conversion, a business event, or investment activity, your quarterly payments may not have kept pace with your actual liability. The IRS generally requires that you have paid either 90 percent of your current year tax or 100 percent of your prior year liability to avoid an underpayment penalty. For those with adjusted gross income above $150,000, that threshold rises to 110 percent of the prior year liability. If there is a gap, your preparer can assess whether a penalty applies and whether any safe harbor provisions are available.
For payments still due, electronic payment through IRS Direct Pay is reliable but not instantaneous. Payments can be made directly from a bank account at irs.gov/payments, and taxpayers may also create an online IRS account to view balances and manage payments. Processing typically takes one to two business days, and state systems vary. In addition, having sufficient cash available may require advance planning, including placing trades to raise cash from investment accounts, even when funds are held in a money market position. For larger payments, financial institutions may impose daily transfer limits. Allowing three to five business days before any deadline provides time for trades to settle, transfers to process, and payments to post without unnecessary risk.
Once your documents are assembled, take time to confirm that every income source is represented, that your QCD records align with the distribution total on your 1099-R, that charitable contribution documentation is complete and matches what you gave, that gifting records account for any transfers above the annual exclusion, that your Roth conversion is supported by all IRA balance documentation and prior Form 8606 filings, and that your estimated payments reconcile with your own records.
The return you file is only as complete as the information provided to your tax preparer. Your preparer relies on the documents and details you supply to report income, deductions, and elections correctly. Your GHPIA team can help you think through what to gather and what to raise in advance, so the filing process is thorough and aligned with your broader financial picture.
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