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Glossary · Exchange funds

The G6 Limitations: Reg. (g)(6) Rules on Exchange Funds

The (g)(6) limitations are the exchange agreement terms that bar you from touching sale proceeds until set release points: day 45, full receipt or day 180.

By Breakwater Exchange · Reviewed by our 1031 advisory team · Last reviewed

The short answer

The (g)(6) limitations are the restrictions Treasury regulations require in an exchange agreement, escrow or trust so that you have no right to receive, pledge, borrow or otherwise obtain the benefits of the exchange money before the exchange period ends, except at a few listed release points. Without that wording the qualified intermediary, escrow and interest safe harbors do not apply, and you are treated as having received the cash. The release points are narrow: after day 45 if nothing was identified, after you receive everything you are entitled to, or after a written contingency beyond your control.

At a glance

Where it livesReg. section 1.1031(k)-1(g)(6)
Default ruleNo access to the money before the exchange period ends
Early release 1After day 45 if no replacement property was identified
Early release 2After receipt of all replacement property you are entitled to, or a written contingency outside your control

The term comes from one paragraph of the deferred exchange regulations, and three safe harbors depend on it.

Reg. section 1.1031(k)-1(g)(6) says an agreement limits your rights only if it provides that you have no rights to receive, pledge, borrow or otherwise obtain the benefits of money or other property before the end of the exchange period, except as paragraphs (g)(6)(ii) and (iii) allow. The qualified escrow account and qualified trust in (g)(3), the qualified intermediary in (g)(4) and the interest safe harbor in (g)(5) all require that wording.

The exchange period ends at midnight on the earlier of the 180th day after the transfer of the relinquished property or the due date, with extensions, of your return for that year, under Reg. section 1.1031(k)-1(b)(2). That date is the outer wall for the funds.

Paragraph (g)(6)(ii) allows release at any time after the identification period if you identified nothing. Paragraph (g)(6)(iii) allows release, if you did identify, upon or after receipt of all the replacement property you are entitled to under the exchange agreement, or after a material and substantial contingency that occurs after day 45, relates to the exchange, is provided for in writing and is beyond your control and the control of any disqualified person.

In a hypothetical exchange, the release date depends on which door you walk through.

Hypothetically, you close a sale on 1 March and $600,000 goes to the intermediary. If you identify nothing by day 45, the agreement can let you take the money after that day. If you identify two properties and close on both by day 120, the balance can come back once the second deed records.

If you identify two properties, close on one and the other buyer simply walks away, the money left over generally waits for the end of the exchange period unless the agreement defines your entitlement or a qualifying written contingency differently. Example 2 in Reg. section 1.1031(k)-1(g)(8) shows a rezoning contingency doing exactly that. Run your own dates with your CPA.

It bites when you try to reach the money early, and the agreement cannot be rewritten mid-exchange.

Reg. section 1.1031(k)-1(g)(4)(vi) ends the safe harbor the moment you have an immediate ability or unrestricted right to the funds. Example 2 in (g)(8) shows the consequence: a right to draw the full escrow on a date before the replacement arrived meant constructive receipt of the whole amount, and the transaction became a sale even though the taxpayer never asked for the money.

Two carve-outs soften the rule. Under (g)(7), closing-statement items such as commissions, prorated taxes, recording fees and title charges, and incidental personal property worth no more than 15 percent of the replacement real property, are disregarded in testing the restrictions. Other payments out of the account are tested against the restrictions; see whether you can touch or borrow exchange funds.

For what happens to the money once the exchange fails, see when a QI must release funds in a failed exchange and the exchange agreement that carries these terms.

Related questions

Can I take my money back on day 46 if I identified nothing?

The regulation allows the agreement to permit it after the identification period ends when no property was identified. Your actual right depends on the agreement's wording, so read it before closing. See getting money back with no identification by day 45.

Do the (g)(6) limits apply to the security or guarantee safe harbor?

No. Paragraph (g)(6) is titled as applying to the safe harbors in (g)(3) through (g)(5). The security or guarantee arrangement in (g)(2) has its own rule ending protection when you gain an immediate right to money under the arrangement.

Can I cancel the agreement to get my money out sooner?

The regulation disregards rights you have under state law to terminate or dismiss the qualified intermediary, so the safe harbor survives that right. It does not give you a faster path to the cash; the agreement's release points still govern.

Sources

Checked against these publications on September 30, 2026. Rules and figures change; confirm the current version with your CPA or attorney before you act. This page is general information, not tax or legal advice.

  1. 26 CFR 1.1031(k)-1, Treatment of deferred exchanges
  2. IRS, Publication 544 (2025), Sales and Other Dispositions of Assets
  3. 26 U.S. Code section 1031

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