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Checks seem a pretty mundane bit of banking, but when they say “Do not convert to ACH,” that means the payer doesn’t want the funds transferred electronically. Rather, they are requesting manual processing.

Here, learn more about the implications of these five little words on a check.

ACH System 101

First, understand what ACH is. It stands for Automated Clearing House, which is an electronic system that transfers funds throughout the United States. This network allows individuals and businesses to move money from one financial institution to another, quickly and securely.

Every time you set up automatic bill pay or receive your paycheck by direct deposit or write an eCheck, that’s ACH at work. Apps such as PayPal and Venmo also use the ACH network to send and receive money.

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How Does ACH Work?

ACH transfers are initiated by either making a withdrawal or deposit into an account. You can send money to another account on a one-time basis — such as through an ACH debit to a utilities company or transferring money to a friend for your share of a restaurant meal — or opt into recurring payments. For example, some companies allow you to make automatic payments, such as for subscription services. In either case, you give permission for the receiver to initiate a withdrawal from your account.

You can also get money via an ACH credit. This happens when people receive a direct deposit of their paycheck or Social Security.

Once you or someone else initiates a transfer, the request will be processed first by your financial institution, usually by the next business day. You may be able to expedite the request, as well as schedule a transfer for a future date.

Typically, ACH transfers are faster than other types of transactions, though a potential downside is that it’s only available for transfers within the U.S. (That’s one of the distinctions between an ACH vs. wire transfer, incidentally; the latter has global reach.)

What Is Check Conversion?

Check conversion refers to the process of transforming a check payment into an electronic payment. This usually happens at one of these three points:

•   Point of Purchase (POP), meaning when a purchase is made, say, at a store

•   Accounts Receivable Conversion (ARC), when a business receives a check by mail and then processes it electronically

•   Back Office Conversion (BOC), or when a check is processed electronically after acceptance at, say, the office of a retail location

What Does Conversion to ACH Mean?

ACH conversion describes the fact that a paper check will be converted to a payment that’s processed through the ACH network. In other words, even though a paper check was written and used as payment, it will become an electronic ACH transfer.

Recommended: How to Cash a Check with No Fees

Why Might a Check Be Converted to ACH?

The main reason why a check may be converted is to save time and money when processing payments. Plus, converting a check payment to ACH could be more efficient, as it can help financial institutions detect potential bank fraud earlier, make fewer mistakes, and even result in fewer returned payments. The service of ACH transfers is typically free to consumers.

Can a Check Be Converted to ACH?

A check can be converted to ACH in many cases (unless it says “do not convert to ACH”) to help it move swiftly and securely; there’s no check to get lost or be forged, for instance.

How the conversion usually happens: When the check gets deposited in a checking account, the payment details are captured from the check. Then, the check itself will be stored securely by the financial institution — unless you have the physical check and are making a mobile deposit. If the check is converted in person, then the original check will be voided and given back to the payer.

If the check was converted for ACH, it will typically appear on a bank statement as a direct payment (or withdrawal) in the same section as ATM withdrawals or other forms of electronic payments. It could also appear as a check payment — some banks include a scanned image of the check or include the payment details.

Recommended: How Much are the Average ATM Fees?

What Does It Mean When a Check Says ‘Do Not Convert to ACH’?

When a check says “do not convert to ACH,” it means that the payer does not want to make a payment electronically. Instead, the payment needs to be processed manually from one financial institution to another through the check collection system.

More specifically, it means the financial institution will contact the other financial institution to request the funds, which are then delivered through a local clearinghouse exchange or other form organization like the Federal Reserve Bank.

It’s rare to receive a check that says this on it, but if you do, there’s not much to be done to alter the payer’s request.

What Is the Benefit to the Drawee if a Check Says ‘Do Not Convert to ACH’?

Checks that say “Do not convert to ACH” may sometimes be printed when a payer is issuing multiple checks; for example, if a class action suit is being paid out. In this case, perhaps the check issuer does not want the much faster electronic processing of their checks. Perhaps it suits them to have a slower payment process.

What Is the Difference Between ACH and a Check?

The difference between ACH and check payments is the network by which they’re processed. ACH payments are processed electronically through the ACH network, whereas non-converted paper checks are processed manually. In many cases, ACH transfers are processed faster than paper checks, since you may have to wait for a check to clear.

The Takeaway

When it comes to getting paid, converting a check to ACH is most likely the fastest, safest way. Unfortunately, there’s not much you can do if the check you receive says “Do not convert to ACH,” however rare they may be. You’ll probably need to deposit it and allow the extra time required for it to become available cash.

Most of us love the conveniences of banking today, and if you want to make a good thing even better, why not check out your options?

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FAQ

Can an ACH payment be declined?

Yes, an ACH payment may be declined or rejected for a few reasons, the most common one being that the payer doesn’t have enough funds in their account for the transfer. Other reasons include the account was closed by the time the transfer took place, the funds have been frozen, or the payer has stopped the payment request.

What does “ineligible for conversion” mean on a check?

If a check says “ineligible for conversion,” it means the check can’t be converted to an ACH payment. This may be due to the paper the check was printed on. The payee needs to either cash or deposit the actual check at a local branch.

Why would a bank reject a check?

There are several reasons a bank would reject a check, including:

•   You don’t have an account at the bank where you want to cash the check

•   You don’t have proper identification to show to the bank

•   The amount may be too large for the financial institution to process

•   The check is void (for example, the check is old and the payment is no longer valid)

•   The signature on the check doesn’t match what the bank has on file

About the author

Sarah Li Cain

Sarah Li Cain, AFC is a finance and small business writer with over a decade of experience. Her work has been featured in numerous publications, including Kiplinger, Fortune, CNBC Select, U.S. News & World Report, and Redbook. Read full bio.

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A popular method that analysts use to evaluate stocks is fundamental analysis. Learn what it is and how it’s used for stock purchases.

Tax-loss harvesting is a strategy that enables an investor to sell assets that have dropped in value as a way to offset the capital gains tax they may owe on the profits of other investments they’ve sold.

Thus, using a tax-loss harvesting strategy enables investors to use investment losses to offset investment gains, and potentially lower the amount of taxes they owe. While a tax loss strategy — sometimes called tax-loss selling — is often used to mitigate the tax on short-term capital gains, tax-loss harvesting can also be used to offset long-term capital gains.

Of course, as with anything having to do with investing and taxes, tax-loss harvesting is not simple. In order to carry out a tax-loss harvesting strategy, investors must adhere to specific IRS rules and restrictions.

What Is Tax-Loss Harvesting?

Tax-loss harvesting effectively harvests losses to cancel out a commensurate amount in profit, and help investors avoid being taxed on those gains. As a basic example of how tax-loss harvesting works: If an investor sells a security for a $25,000 gain, and sells another security at a $10,000 loss, the loss could be applied so that the investor would only see a capital gain of $15,000 ($25,000 – $10,000).

This can be a valuable tax strategy for investors because you owe capital gains taxes on any profits you make from selling investments, like stocks, bonds, properties, cars, or businesses. The tax only applies when you profit from the sale and realize a profit, not for simply owning an appreciated asset.

And again, if you also realize some investment losses for the same period, those can be used to reduce the amount of your taxable gains.

Recommended: Everything You Need to Know About Taxes on Investment Income

How Tax-Loss Harvesting Works

In order to understand how tax-loss harvesting works, you first have to understand the system of capital gains taxes.

Capital Gains and Tax-Loss Harvesting

As far as the IRS is concerned, capital gains are either short term or long term:

•   Short-term capital gains and losses are from the sale of an investment that an investor has held for one year or less.

•   Long-term capital gains and losses are those recognized on investments sold after one year.

Understanding Short-Term Capital Gains Rates

The one-year mark is crucial, because the IRS taxes short-term investments at an investor’s marginal or ordinary income tax rate, which is typically higher than the long-term rate.

There are seven ordinary tax brackets: 10%, 12%, 22%, 24%, 32%, 35%, and 37%.

For high earners, gains can be taxed as much as 37%, plus a potential 3.8% net investment income tax (NIIT), also known as the Medicare tax. That means the taxes on those short-term gains can be as high as 40.8% — and that’s before state and local taxes are factored in.

Understanding Long-Term Capital Gains Rates

Meanwhile, the long-term capital gains taxes for an individual are simpler and lower. These rates fall into three brackets, according to the IRS: 0%, 15%, and 20%.

Here are the rates for tax year 2024 (typically filed in early 2025), as well as for tax year 2025 (usually filed in early 2026), by income and filing status.

2024 Long-Term Capital Gains Tax Rates

2025 Long-Term Capital Gains Tax Rates

As with all tax laws, don’t forget the fine print. As noted above, the additional 3.8% NIIT may apply to single individuals with a modified adjusted gross income (MAGI) of $200,000 or married couples filing jointly, with a MAGI of at least $250,000.

Also, long-term capital gains from sales of collectibles (e.g., coins, antiques, fine art) are taxed at a rate of 28%. This is separate from regular capital gains tax, not in addition to it. However, NIIT may apply here as well.

Short-term gains on collectibles are taxed at the ordinary income tax rate, as above.

Recommended: Is Automated Tax Loss Harvesting a Good Idea?

Rules of Tax-Loss Harvesting

Given that investors selling off profitable investments can face a stiff tax bill, that’s when they may want to look at what else is in their portfolios. Inevitably, there are likely to be a handful of other assets such as stocks, bonds, real estate, or different types of investments that lost value for one reason or another.

While tax-loss harvesting is typically done at the end of the year, investors can use this strategy any time, as long as they follow the rule that long-term losses apply to long-term gains first, and short-term losses to short-term gains first.

Bear in mind that although a capital loss technically happens whenever an asset loses value, it’s considered an “unrealized loss” in that it doesn’t exist in the eyes of the IRS until an investor actually sells the asset and realizes the loss.

The loss at the time of the sale can be used to count against any capital gains made in a calendar year. Given the high taxes associated with short-term capital gains, it’s a strategy that has many investors selling out of losing positions at the end of the year.

Tax-Loss Harvesting Example

If you’re wondering how tax-loss harvesting works, here’s an example. Let’s say an investor is in the top income tax bracket for capital gains. If they sell investments and realize a long-term capital gain, they would be subject to the top 20% tax rate; short-term capital gains would be taxed at their marginal income tax rate of 37%.

Now, let’s imagine they have the following long- and short-term gains and losses, from securities they sold and those they haven’t:

Securities sold:

•   Stock A, held for over a year: Sold, with a long-term gain of $175,000

•   Mutual Fund A, held for less than a year: Sold, with a short-term gain of $125,000

Securities not sold:

•   Mutual Fund B: an unrealized long-term gain of $200,000

•   Stock B: an unrealized long-term loss of $150,000

•   Mutual Fund C: an unrealized short-term loss of $80,000

The potential tax liability from selling Stock A and Mutual Fund A, without tax-loss harvesting, would look like this:

•   Tax without harvesting:
($175,000 x 20%) + ($125,000 x 37%) = $35,000 + $46,250 = $81,250

But if the investor harvested losses by selling Stock B and Mutual Fund C (remember: long-term losses apply to long-term gains first, and short-term losses to short-term gains first), the tax picture would change considerably:

•   Tax with harvesting:
(($175,000 – $150,000) x 20%) + (($125,000 – $80,000) x 37%) = $5,000 + $16,650 = $21,650

Note how the tax-loss harvesting strategy not only reduces the investor’s tax bill, but potentially frees up some money to be reinvested in similar securities (restrictions may apply there; see information on the wash sale rule below).

💡 Quick Tip: It’s smart to invest in a range of assets so that you’re not overly reliant on any one company or market to do well. For example, by investing in different sectors you can add diversification to your portfolio, which may help mitigate some risk factors over time.

Considerations Before Using Tax-Loss Harvesting

As with any investment strategy, it makes sense to think through a decision to sell just for the sake of the tax benefit because there can be other ramifications in terms of your long-term financial plan.

The Wash Sale Rule

For example, if an investor sells losing stocks or other securities they still believe in, or that still play an important role in their overall financial plan, then they may find themselves in a bind. That’s because a tax regulation called the wash sale rule prohibits investors from receiving the benefit of the tax loss if they buy back the same investment too soon after selling it.

Under the IRS wash sale rule, investors must wait 30 days before buying a security or another asset that’s “substantially identical” to the one they just sold. If they do buy an investment that’s the same or substantially identical, then they can’t claim the tax loss.

For an investment that’s seen losses, that 30-day moratorium could mean missing out on growth — and the risk of buying it again later for a higher price.

Matching Losses With Gains

A point that bears repeating: Investors must also pay attention to which securities they sell, in order to execute a tax-loss strategy successfully. Under IRS rules, like goes with like. So, long-term losses must be applied to long-term gains first, and the same goes for short-term losses and short-term gains. After that, any remaining net loss can be applied to either type of gain.

How to Use Net Losses

The difference between capital gains and capital losses is called a net capital gain. If losses exceed gains, that’s a net capital loss.

•   If an investor has an overall net capital loss for the year, they can deduct up to $3,000 against other kinds of income — including their salary and interest income.

•   Any excess net capital loss can be carried over to subsequent years (known as the tax-loss carryforward rule) and deducted against capital gains, and up to $3,000 of other kinds of income — depending on the circumstances.

•   For those who are married filing separately, the annual net capital loss deduction limit is only $1,500.

How to Use Tax-Loss Harvesting to Lower Your Tax Bill

When an investor has a diversified portfolio, every year will likely bring investments that thrive and others that lose money, so there can be a number of different ways to use tax-loss harvesting to lower your tax bill. The most common way, addressed above, is to apply capital losses to capital gains, thereby reducing the amount of tax owed. Here are some other strategies:

Tax-Loss Harvesting When the Market Is Down

For investors looking to invest when the market is down, capital losses can be easy to find. In those cases, some investors can use tax-loss harvesting to diminish the pain of losing money. But over long periods of time, the stock markets have generally gone up. Thus, the opportunity cost of selling out of depressed investments can turn out to be greater than the tax benefit.

It also bears remembering that many trades come with trading fees and other administrative costs, all of which should be factored in before selling stocks to improve one’s tax position at the end of the year.

Tax-Loss Harvesting for Liquidity

There are years when investors need access to capital. It may be for the purchase of a dream home, to invest in a business, or because of unforeseen circumstances. When an investor wants to cash out of the markets, the benefits of tax-loss harvesting can really shine.

In this instance, an investor could face bigger capital-gains taxes, so it makes sense to be strategic about which investments — winners and losers — to sell by year’s end, and minimize any tax burden.

Tax-Loss Harvesting to Rebalance a Portfolio

The potential benefits of maintaining a diversified portfolio are widely known. And to keep that portfolio properly diversified in line with their goals and risk tolerance, investors may want to rebalance their portfolio on a regular basis.

That’s partly because different investments have different returns and losses over time. As a result, an investor could end up with more tech stocks and fewer energy stocks, for example, or more government bonds than small-cap stocks than they intended.

Other possible reasons for rebalancing are if an investor’s goals change, or if they’re drawing closer to one of their long-term goals and want to take on less risk.

That’s why investors check their investments on a regular basis and do a tune-up, selling some stocks and buying others to stay in line with the original plan. This tune-up, or rebalancing, is an opportunity to do some tax-loss harvesting.

How Much Can You Write Off on Your Taxes?

If capital losses exceed capital gains, under IRS rules investors can then deduct a portion of the net losses from their ordinary income to reduce their personal tax liability. Investors can deduct the lesser of $3,000 ($1,500 if married filing separately), or the total net loss shown on line 21 of Schedule D (Form 1040).

In addition, any capital losses over $3,000 can be carried forward to future tax years, where investors can use capital losses to reduce future capital gains. This is known as a tax loss carryforward. So in effect, you can carry forward tax losses indefinitely.

To figure out how to record a tax loss carryforward, you can use the Capital Loss Carryover Worksheet found on the IRS’ Instructions for Schedule D (Form 1040).

Benefits and Drawbacks of Tax-Loss Harvesting

While tax-loss harvesting can offer investors some advantages, it comes with some potential downsides as well.

Benefits of Tax-Loss Harvesting

Obviously the main point of tax-loss harvesting is to reduce the amount of capital gains tax on profits after you sell a security.

Another potential benefit is being able to literally cut some of your losses, when you sell underperforming securities.

Tax-loss harvesting, when done with an eye toward an investor’s portfolio as a whole, can help with balancing or rebalancing (or perhaps resetting) their asset allocation.

As noted above, investors often sell off assets when they need cash. Using a tax-loss harvesting strategy can help do so in a tax-efficient way.

Drawbacks of Tax-Loss Harvesting

While selling underperforming assets may make sense, it’s important to vet these choices as you don’t want to miss out on the gains that might come if the asset bounces back.

Another of the potential risks of tax-loss harvesting is that if it’s done carelessly it can leave a portfolio imbalanced. It might be wise to replace the securities sold with similar ones, in order to maintain the risk-return profile. (Just don’t run afoul of the wash-sale rule.)

Last, it’s possible to incur excessive trading fees that can make a tax-loss harvesting strategy less efficient.

Creating a Tax-Loss Harvesting Strategy

Interested investors may want to create their own tax-loss harvesting strategy, given the appeal of a lower tax bill. An effective tax-loss harvesting strategy requires a great deal of skill and planning.

It’s important to take into account current capital gains rates, both short and long term. Investors would be wise to also weigh their current asset allocation before they attempt to harvest losses that could leave their portfolios imbalanced.

All in all, any strategy should reflect your long-term goals and aims. While saving money on taxes is important, it’s not the only rationale to rely on for any investment strategy.

The Takeaway

Tax loss harvesting, or selling underperforming stocks and then potentially getting a tax reduction by applying the loss to other investment gains, can be a helpful part of a tax-efficient investing strategy.

There are many reasons an investor might want to do tax-loss harvesting, including when the market is down, when they need liquidity, or when they are rebalancing their portfolio. It’s an individual decision, with many considerations for each investor — including what their ultimate financial goals might be.

FAQ

Is tax-loss harvesting really worth it?

When done carefully, with an eye toward tax efficiency as well as other longer-term goals, tax-loss harvesting can help investors save money that they can invest for the long term.

Does tax-loss harvesting reduce taxable income?

Yes, it can. The point of tax-loss harvesting is to reduce income from investment gains (profits). But also when net losses exceed gains for a given year, the strategy can reduce your taxable income by $3,000 per year going forward.

Can you write off 100% of investment losses?

It depends. Investment losses can be used to offset a commensurate amount in gains, thereby potentially lowering your capital gains tax bill. If there are still net losses that cannot be applied to gains, up to $3,000 per year can be applied to reduce your ordinary income. Net loss amounts in excess of $3,000 would have to be carried forward to future tax years.