What actually happens when you round up at a register

Round ups at the checkout are one of the most common ways Americans give, and almost nobody can say what happens to the dollar afterwards — including, in our experience, the people asking for it. Here is the mechanism, in order, with the rules linked.

01 Who actually gives the money

You do. When you say yes at the terminal, the store collects your dollar and remits it to a charity it has partnered with. In that transaction the store is a conduit — it handles the money without ever owning it. Accountants treat the balance the way they treat collected sales tax: something owed to somebody else, not revenue.

Which means the donor is you. Not the chain, not the store, not the cashier who asked. That is true whether or not anybody ever tells you so, and it is the fact the rest of this page hangs on.

We do the same thing. Give through any CauseLine app and the money is not ours either — it goes to the nonprofit's own account, and we take no deduction for your gift, because it was never ours to deduct.

02 What the store does get

Not a deduction. But it is fair to say they get something, and pretending otherwise would be its own kind of dishonesty:

• The relationship with a well-known charity, and the campaign built around it.
• The announcement — a combined total, presented as an achievement, in which your dollar and the company's own contribution are frequently one number.
• Whatever the goodwill of being asked is worth at the till.

None of that is a scandal, and none of it is a tax break. It is simply worth being clear that the credit people notice — the big check, the press release, the total on the poster — is a different currency from the one the tax code deals in. The company earned the announcement. But, you paid for it.

03 "Deductible" is a technical word

In conversation, "is it tax deductible?" usually means "does this affect my taxes at all?" In the tax code it means something much narrower: an amount you may subtract from your income only if you itemize your deductions instead of taking the standard deduction.

Most people do not itemize. The IRS's own figures put it at 87.3% of filers taking the standard deduction against 11.4% itemizing. For everyone in that first group, a charitable gift of any size — at a register, in an app, by check — changes nothing on their return. That is not an argument against giving. It just means the deductibility question is the wrong question for most people who ask it.

04 The paperwork problem

Here is where a register round up gets genuinely awkward (and it has specific tax implications for the minority who do itemize).

The IRS requires a record for a cash contribution of any amount — there is no small change exemption. You need either a bank record or a written communication from the charity, and it says a bank record must show "the date paid or posted, the name of the charity, and the amount of the payment." It also states plainly that records you write yourself no longer count.

Now hold a checkout round up against that:

We are not going to tell you whether a given store's receipt satisfies the rule — that is a question for a tax professional, and it will depend on the receipt. What we will say is that the most common form of small-dollar giving in the country routinely produces documentation that does not obviously meet the standard the same country's tax agency publishes. If you have ever felt vaguely unsure whether those round ups "counted," that instinct was reasonable.

05 Where Spare Up differs

We built Spare Up because of the first half of this page, not the second: the objection to the register ask is that somebody else picked the cause. But the paperwork follows from the same design decision, so it is worth stating plainly.

In Spare Up you choose the nonprofit, the gift is made in your name, and the platform issues the receipt from the giving side — naming you, the organization, the date and the amount. You are the donor of record, and there is a record.

There is a platform fee for running this, set per campaign. It is the only part of the money we ever touch.

The record is useful even if you never file anything

Tax is the least interesting reason to keep a record of what you gave. The ordinary reason is wanting to know.

Every round up you have said yes to is listed in the app, newest first, with a running total and a count. Each row leads with where you were, when you scanned a receipt — because "the Tuesday coffee" is what a person recognizes about their own spending, not "a $2.09 gift" — and each row says whether that one has actually gone or is still queued.

Which answers questions a receipt in a coat pocket never will. Did this habit come to $40 this year, or $400? If you round to the nearest $10 everywhere you go, is that adding up to more than you intended, or less? At a register there is no answer, including for you: twenty small yeses across a year leave nothing you can total.

What we will not tell you is that this makes your gift deductible. That depends on the organization and on your own return, and anyone in our position who tells you otherwise is selling something. What we can say is that the question becomes answerable, which at a register it often is not. See the terms for how we treat this.

06 Sources

Everything above comes from these. The IRS pages are the rules themselves — dry, but they are the actual text rather than somebody's summary of it. The last one surveys the practice and the fact-checks, if you want to keep pulling the thread.

• IRS — Substantiating charitable contributions. The recordkeeping rule quoted in §4, including what a bank record must show and the exclusion of self-prepared records.
• IRS Publication 526 — Charitable Contributions. The full official guide, including the $250 threshold.
• IRS Publication 1771 — Substantiation and Disclosure Requirements (PDF). Written for charities; the clearest statement of what an acknowledgment has to contain.
• IRS SOI — Tax Stats at a Glance. The 87.3% / 11.4% split in §3, for tax year 2018.
• Checkout charity. A survey of the practice and of the tax misconception, citing fact-checks from the Associated Press, USA Today and the Tax Policy Center.

Found an error on this page? Tell us and we will correct it. A page like this is only worth having if it is right.