7.4 Covered Securities, Tax Lots and Wash Sales

Covered vs. Non-Covered Securities

Enacted under the Emergency Economic Stabilization Act of 2008 (EESA), cost basis reporting regulations dramatically expanded broker-dealer tax accounting responsibilities. Prior to this legislation, broker-dealers only reported gross sales proceeds to the IRS, leaving cost basis calculation entirely to individual taxpayers.

Statutory Phase-In Timelines

Congress implemented mandatory cost basis reporting in structured phases based on the asset's acquisition date:

1. January 1, 2011 — Equities: Corporate common and preferred stock, shares of real estate investment trusts (REITs), and exchange-traded funds (ETFs) structured as corporate entities;
2. January 1, 2012 — Mutual Funds & DRIPs: Shares of regulated investment companies (open-end mutual funds) and shares acquired through automated dividend reinvestment plans (DRIPs);
3. January 1, 2014 — Debt & Options: Simple debt instruments (fixed-rate corporate bonds, Treasuries, municipal bonds), listed stock and index options, rights, warrants, and commodities;
4. January 1, 2016 — Complex Debt: Complex debt securities, including variable-rate bonds, convertible debt, foreign currency bonds, inflation-indexed securities, and debt with payment-in-kind features.

Operational Differences: Covered vs. Non-Covered Securities

The distinction between covered and non-covered positions dictates strict broker-dealer compliance:

• Covered Securities:
  • Broker-dealers are legally mandated to track, adjust (for corporate actions and wash sales), and report both the gross proceeds AND the adjusted cost basis, as well as the holding period (short-term vs. long-term), to BOTH the taxpayer and the IRS on Form 1099-B.
  • The taxpayer files Form 8949 checking Box A (short-term basis reported to IRS) or Box D (long-term basis reported to IRS).
• Non-Covered Securities:
  • Any security acquired prior to the applicable statutory phase-in date (e.g., corporate stock purchased in 2009).
  • The broker-dealer is only legally required to report gross proceeds to the IRS.
  • Cost basis reporting to the IRS is generally not required; the Form 1099-B instructions permit the noncovered box and optional reporting under their conditions. While broker-dealers may provide historical cost basis to the customer as a courtesy on customer statements, the firm may also report permitted information voluntarily under the Form 1099-B instructions.
  • The taxpayer bears sole legal responsibility for establishing and defending cost basis on Form 8949 checking Box B (short-term basis not reported to IRS) or Box E (long-term basis not reported to IRS).

Tax Lot Selection & Cost Basis Accounting Methods

When an investor acquires multiple blocks (tax lots) of the same security at different dates and prices, liquidating a portion of the holding requires a defined tax lot identification method.

1. First-In, First-Out (FIFO) — The Statutory Default

Under Treasury regulations, FIFO is the default method applied automatically if the investor sells shares without designating a specific tax lot. Under FIFO, the oldest acquired shares are deemed sold first. FIFO selects the oldest lots; that does not guarantee the lowest basis or the greatest gain.

2. Specific Identification (Versus Purchase)

Specific identification permits the customer to explicitly select which specific tax lot (designated by purchase date, original purchase price, or specific certificate/block) is being sold.

• Strategic Variations:
  • Highest-In, First-Out (HIFO): The lot with the highest acquisition cost is sold first, minimizing immediate capital gains or maximizing realized losses for tax-loss harvesting.
  • Last-In, First-Out (LIFO): The most recently acquired lot is selected. Lowest-cost selection is a different strategy.
  • Tax-Advantaged Lot Selection: Selecting short-term losses to offset short-term gains, or long-term gains if tax rates are favorable.
• Strict Settlement Cutoff Rule: Under Treasury Regulation Section 1.1012-1(c), the customer must provide specific identification instructions to the broker-dealer on or before the settlement date of the transaction. After the applicable identification deadline, do not substitute a tax lot merely to obtain a better result; distinguish a valid correction from an impermissible late election.

3. Average Cost Method

The Average Cost Method is a statutory accounting convention permitted exclusively for:

1. Shares of regulated investment companies qualifying under the tax rule; and
2. Shares acquired through dividend reinvestment plans (DRIPs).

• Calculation: The aggregate acquisition cost of all shares in the account is divided by the total number of shares owned to establish a uniform per-share cost basis: Average Cost per Share = Total Dollar Cost of All Shares Owned / Total Number of Shares Owned
• Operational Rules: When a customer elects the average cost method for a mutual fund, the holding period for sold shares follows FIFO (oldest shares sold first). Average-cost elections, revocations and changes have specific timing and identification rules. Follow the customer’s valid election and IRS procedures; do not invent a universal rule limiting every change to future acquisitions.

The Wash Sale Rule (IRC Section 1091)

The Wash Sale Rule under IRC Section 1091 prevents investors from claiming artificial tax deductions by selling a security at a loss and immediately repurchasing it to maintain their market position.

The 61-Day Wash Sale Window

A wash sale occurs if a taxpayer realizes a loss on the sale of a security and, within a 61-day window, acquires:

• Substantially identical securities;
• A contract or option to acquire substantially identical securities (e.g., call options, equity rights, or warrants); or
• Sells deep in-the-money put options on the security.

The 61-day window encompasses:

1. 30 calendar days before the sale date;
2. The trade date of the sale itself; and
3. 30 calendar days after the sale date.

Operational Tax Mechanics: Disallowed Loss & Basis Adjustment

When a wash sale is triggered:

1. Loss Disallowance: The realized capital loss cannot be deducted on the taxpayer's current-year tax return.
2. Cost Basis Addition: The disallowed loss amount is added directly to the cost basis of the replacement shares.
3. Holding Period Tack-on: The holding period of the original shares sold at a loss is tacked onto the holding period of the replacement shares, ensuring that long-term holding status is preserved.

Step-by-Step Worked Example

• February 1: Client purchases 100 shares of ABC stock at $60 per share (Total Cost Basis = $6,000).
• October 10: Client sells all 100 shares of ABC at $45 per share. Realized Loss = (100 shares * $45) - (100 shares * $60) = $4,500 - $6,000 = -$1,500
• October 24 (14 days after sale): Client repurchases 100 shares of ABC at $48 per share (Purchase Price = $4,800).
• Wash Sale Determination: Because the repurchase occurred within 30 days after the sale date (inside the 61-day window), the entire $1,500 loss is disallowed.
• Operational Adjustments:
  • Replacement Cost Basis: The $1,500 disallowed loss is added to the replacement cost: Adjusted Total Basis = $4,800 + $1,500 = $6,300 (or $63 per share)
  • Holding Period: The holding period of the replacement shares includes the 8 months and 9 days accumulated between February 1 and October 10.
  • Result: When the client eventually sells the replacement shares for $70, taxable capital gain is calculated against the adjusted $63 basis ($7 per share gain), effectively recognizing the deferred loss upon ultimate disposition.

Broker-Dealer Tracking & Reporting Scope (Form 1099-B Box 1g)

Under Treasury regulations governing broker-dealer reporting on Form 1099-B:

• For covered securities within the reporting rules, brokers must apply the required same-account, same-CUSIP wash-sale reporting adjustments. Disallowed losses are reported in Box 1g of Form 1099-B.
• Reporting Boundaries: Broker-dealers are not required to track wash sales across different accounts owned by the same client (e.g., between an individual account and a joint account, or between a taxable brokerage account and an IRA), nor across different broker-dealers.
• Taxpayer Liability: Regardless of broker reporting limitations, taxpayers are legally bound by the Internal Revenue Code to apply wash sale disallowances across all accounts they control, including spousal accounts and IRAs. If an investor sells stock at a loss in a taxable account and buys it back inside an IRA within 30 days, the loss is permanently disallowed and cannot even be added to the IRA basis!

Sources checked 2026-10-20: FINRA statements, IRS Publication 550, IRS Form 1099-B instructions.