Cost Basis Reporting Member Resource Center (2024)

Tax Matters

In 2008, Congress enacted mandatory cost basis reporting for brokers and mutual funds. The legislation amended Internal Revenue Code section 1012 (seesections 1012 (a) – (d)) and section 6045 (seesection 6045(g)) and added new sections 6045A and 6045B. The new reporting requirements are effective for mutual fund shares acquired on or after January 1, 2012; they are effective for all other equities acquired on or after January 1, 2011. The Internal Revenue Service issued final regulations on the cost basis reporting requirements in October 2010.

Internal Revenue Code

Notice 2011-56

  • ICI Memorandum 25294 - IRS Issues Guidance on Average Cost Default Method, Other Cost Basis Reporting Issues
  • ICI Memorandum 25364 - ICI Comment Letter on Cost Basis Reporting

Final Regulations

  • ICI Memorandum 24610 - Final Regulations on Cost Basis Reporting

Proposed Regulations

  • ICI Memorandum 24045 - Proposed Regulations on Cost Basis Reporting
  • ICI Memorandum 23387 - ICI Comment Letter to Treasury and IRS on Mandatory Cost Basis Reporting
  • ICI Memorandum 24133 - Institute Comment Letter on Proposed Cost Basis Reporting Regulations
  • ICI Memorandum 24322 - Institute Submits Additional Comments on Proposed Cost Basis Reporting Requirements
  • ICI Memorandum 24417 - ICI Letter to Treasury Department and IRS on Reporting Holding Period for Gifted Shares that Previously were Inherited

IRS’s Cost Basis Reporting Overview and FAQs

IRS Forms

ICI Contact on Tax Related Matters

  • Tax related questions on Cost Basis Reporting may be directed to Karen Gibian, Associate Counsel – Tax Law, atkgibian@ici.orgor 202-371-5432.

Fund Operations Initiatives

ICI Broker/Dealer Advisory Committee (BDAC)– Cost Basis Reporting Task Force

The Institute’s Broker/Dealer Advisory Committee CBR Task Force is assisting the Depository Trust & Clearing Corporation (DTCC) with enhancements for mutual funds to Fund/SERV, Networking and the Cost Basis Reporting Service to comply with the new regulations. The Task Force continues to provide industry feedback on mutual fund issues and the DTCC enhancements were implemented in 2011 in order to comply with the cost basis reporting regulations for mutual funds effective 1/1/2012.

  • The BDAC CBR Task Force has developedrecommended practicesfor firm-initiated FUND/SERV redemptions on fund-controlled accounts.
  • The BDAC CBR Task Force also worked with DTCC on a separate cost basis transfer reporting guide for mutual funds. The "Supplemental User Guide for Mutual Funds" includes an executive summary/overview, glossary of terms, frequently asked questions, and documentation on CBRS for mutual funds (that includes account transfer examples using various basis methods that illustrate the movement of data using CBRS record layouts). The guide is located on DTCC’s website at:http://www.dtcc.com/products/documentation/cs/cbrs/CBRS_SupplementalGuide.pdf

ICI Contacts on BDAC Activities

  • Questions regarding BDAC's cost basis reporting activities may be directed to Jeff Naylor, Director – Operations & Distribution, atjeff.naylor@ici.orgor 202-326-5844.
  • The information being developed by BDAC is applicable to any taxable account which includes those held by bank/trust intermediaries. As a result, ICI's Bank, Trust and Retirement Advisory Committee (BTRAC) is using the BDAC work product for CBR. For questions related to CBR and BTRAC, please contact Jeff Naylor atjeff.naylor@ici.orgor 202-326-5844.

Depository Trust & Clearing Corporation (“DTCC”)

DTCC has enhanced its Cost Basis Reporting Service (CBRS) to help financial firms and other market participants comply with the new regulations that require the reporting of cost basis information to investors and the federal government.

  • Overview

    The CBRS is an automated system that gives financial firms the ability to transfer customer cost basis information from one firm to another on any asset transfer. The system provides a centralized communications hub that mitigates risk, promotes standardization and helps customers meet their regulatory requirements in an efficient and cost-effective manner.

  • Who Can Use the Service

    All financial intermediaries subject to the IRS regulations are eligible to apply to use CBRS, including firms who are not currently members of any service offered by one of DTCC’s affiliate companies.

  • Information on CBRS

    Detailed information on CBRS may be found onDTCC’s website.

    The website contains links to DTCC’s Important Notices and Frequently Asked Questions (FAQs) on CBRS, including new account set up, record layouts, users guides, data input and output, and testing.

How to Contact DTCC

  • Questions regarding CBRS may be directed to the DTCC Customer Support Hotline at 888-382-2721.
  • You can subscribe to an RSS feed to receive DTCC Important Notices directly to your email address. To learn more about this service and to set up your own DTCC RSS alerts, visithttp://www.dtcc.com/subscription_form.php.

ICI Transfer Agent Advisory Committee – Cost Basis Reporting Task Force

The Institute’s Transfer Agent Advisory Committee (TAAC) CBR Task Force ("Task Force") is holding regular calls and developing documentation to assist fund transfer agents as they implement policies and procedures to comply with the new cost basis reporting regulations. The Task Force is focusing primarily on shareholder communications and servicing issues, as well the calculation and recordkeeping of cost basis information for shareholders.

  • The Task Force has developed the“Shareholder Communications for Cost Basis Reporting”document to assist fund transfer agents as they prepare customer communications to educate and inform fund shareholders about the cost basis reporting rules, fund cost basis reporting policies and related customer options.
  • The Task Force has developed the"Fund Checklist for Mandatory Cost Basis Reporting Implementation"document, which provides a list of implementation steps for mutual funds to consider as they prepare for mandatory cost basis reporting.
  • The Task Force conducted a survey of the Transfer Agent Advisory Committee on mandatory cost basis reporting in July 2011, after the IRS issued its guidance on average cost as a fund default method (Clickherefor survey results).
  • The Task Force developed theFrequently Asked Questions for Cost Basis Reportingdocument to serve as a resource to funds as they work toward implementation of mandatory cost basis reporting.

ICI Contact on TAAC Activities

  • Questions on mutual fund transfer agent shareholder servicing and communications issues may be directed to Joanne Kane, Director of Operations and Transfer Agency atjoanne.kane@ici.orgor 202-326-5850.

ICI Webinars and Workshops on Cost Basis Reporting

  • ICI CBR Workshops on Cost Basis Reporting for Mutual Funds

    • March 10, 2011 – Boston, MA
    • March 31, 2011 – Irvine, CA
  • ICI Webinar – Implementing Cost Basis Reporting for Mutual Funds – January 5 2011
  • ICI Webinar – Implementing Cost Basis Reporting for Mutual Funds – May 27, 2010

Cost Basis Reporting Member Resource Center (2024)

FAQs

How does IRS verify cost basis? ›

Purchase Records

If you purchased the asset, documents from the original sale are the preferred option for verifying cost basis. This can include any brokerage statements, commission statements or other proof of purchase for securities that you purchased.

What if my 1099-B does not show cost basis? ›

How can we help? The Form 1099-B that you receive might only report the sale date and sales proceeds. If it does not report the date acquired or cost basis, you still need to enter that information when you report your Form 1099-B in the TaxAct program so that it will transfer to Schedule D and/or Form 8949.

What happens if I don't know the cost basis of a stock? ›

The bottom line is that the IRS expects you to maintain records that identify the cost basis of your securities. If you don't have adequate records, you might have to rely on the cost basis that your brokerage firm reports—or you may be required to treat the cost basis as zero, which could mean owing more in taxes.

What if the cost basis is wrong? ›

If the cost basis information that is reported on your Form 1099-B is incorrect, you can report a correction to the IRS using Form 8949.

What if cost basis is not reported to IRS? ›

This doesn't mean the non-covered cost basis isn't reportable; rather, it's not required to be reported by a broker to the IRS. But even though the broker isn't required to report the non-covered cost basis, traders are still responsible for including this information on Schedule D of their tax return.

When did the IRS start tracking cost basis? ›

Tax Matters

In 2008, Congress enacted mandatory cost basis reporting for brokers and mutual funds.

How do you resolve missing cost basis? ›

How Do I Fix a First Inflow Missing Basis Warning?
  1. Edit the flagged Deposit or Uncategorized transaction and change the classification to a different transaction type that assigns cost basis. ​
  2. Import additional data that shows how the asset was acquired.

How do you handle missing cost basis? ›

In this case, you should refer to the original brokerage statement detailing the purchase of that security or contact your former broker to determine the Date Acquired and Cost Basis (what you paid for the security) and enter it manually into your tax preparation software or onto your Form 8949.

Why is my cost basis missing? ›

Missing Cost Basis Warnings

These warnings are almost always caused by missing data. It's likely that you haven't imported all of your necessary transaction history needed for calculating your taxes.

What is an example of a cost basis? ›

Typically, when you purchase shares of stock, the cost basis is simply the price you paid for each share. Say you purchased 10 shares of XYZ for $100 per share in a taxable brokerage account. The total cost would be $1,000, and your cost basis for each individual share would be $100.

What is the best cost basis method? ›

Cost basis methods
Pros
Highest in, first out (HIFO)Maximizes losses and minimizes gains for tax purposes.
First in, first out (FIFO)Easy to use. Sells first the shares for which we don't know the acquisition date, followed by the shares with the earliest acquisition date.
3 more rows

What is the formula for cost basis? ›

Cost Basis Accounting and Regulations. If you'd like to use Average Cost for covered mutual fund shares, you don't need to do anything. The cost of shares, including reinvested dividends and capital gains distributions, divided by the number of shares held, is used to compute the average cost of each share.

Can you update the cost basis after selling stock? ›

You may not change a position's cost basis if it's coded with a known cost basis. To update an individual security's cost basis, you'll need to have an old statement or confirmation that indicates the cost you paid.

Can I estimate my cost basis? ›

You can calculate your cost basis per share in two ways: Take the original investment amount ($10,000) and divide it by the new number of shares you hold (2,000 shares) to arrive at the new per-share cost basis ($10,000/2,000=$5.00).

Can I use an average cost basis for stocks? ›

Average Cost

This method of calculating cost basis is permitted for mutual funds only and cannot be used to calculate cost basis for individual securities such as stocks and bonds.

How does the IRS know your capital gains on real estate? ›

Whether your small business focuses on real estate or sold unneeded property during the tax year, a copy of form 1099-S, which is sent to both you and the IRS by the closing attorney or real estate official, reports the gross proceeds from the sale.

How do you prove cost basis in a home sale? ›

Proving Your Cost Basis

Homeowners should keep good records of improvements they have made to a house, including keeping copies of all receipts and purchase orders. If a joint owner of property dies, you should get the property appraised to show the value at the time it is stepped up in basis.

What is the cost basis tracking? ›

It is used to calculate capital gains or losses, which is the difference between the selling and purchase prices of capital assets. Tracking cost basis is required for tax purposes. It is also key if investors want to determine their investments' success.

Why is my cost basis higher than what I bought? ›

If you purchased shares through a broker and paid commissions, those costs would be added to your cost basis. So if you bought your 10 shares of XYZ from a broker for $100 per share, and you paid a 1% commission to place that trade, your cost basis would be $1,000 + (1% x $1,000), or $1,010.

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