Reimbursement

A reimbursement is money paid back to someone for an expense they covered on another person's or organization's behalf.

Also called: Expense reimbursement

by Lee Schmidt

Published October 7, 2026

An employer repaying an approved work purchase and a roommate paying their share of household supplies both reimburse money you advanced. Your own share of an expense stays yours even when someone sends money back. A repayment can arrive in a later month or cover only part of what you paid, so the amount received and the amount still owed need separate records.

In a sentence

  • "The $40 reimbursement from my roommate leaves $20 of their share unpaid."
  • "I'm waiting for a reimbursement from my employer, not a refund from the store."
  • "The reimbursement arrived in February for supplies I bought in January."

How it works

  1. Pay an expense on someone else's behalf, or cover a shared purchase that includes both your share and theirs.
  2. Record who owes you, what the purchase covered, and how much is eligible for repayment or agreed between you. Keep the receipt or other supporting record.
  3. Separate your own share from the reimbursable amount. Paying the full bill does not make the full bill someone else's responsibility.
  4. Record each repayment when it arrives and subtract it from the agreed amount. A partial payment reduces the outstanding amount without closing it.
  5. Resolve any difference. An amount that is denied or no longer expected back should not remain listed as money you expect to collect.

Outstanding reimbursement = agreed repayment − repayments received

An example

In January, you pay $300 for an approved employer expense and $120 for household supplies shared equally with one roommate. In February, the employer pays you $300 and the roommate pays $40 of their $60 share.

ExpenseYou paidYour shareAgreed repaymentReceived by February's endStill owed
Work purchase$300$0$300$300$0
Household supplies$120$60$60$40$20
Total$420$60$360$340$20

Through February, $420 has left your account and $340 has come back, a net outflow of $80. Of that, $60 is your own share and $20 is still owed; collecting the last $20 brings the net cost to $60.

Why it matters

Reimbursements separate what you temporarily paid from what ultimately costs you money. A cash flow record still needs to reflect when the money leaves and returns, even if your personal spending total excludes the reimbursable portion. Leaving an expense out of a spending plan does not put the cash back in your account. Treating money owed as cash already available can leave you short before payday, while treating every repayment as earnings can make your usual income look larger than it is.

Reimbursement versus a refund and earnings

A reimbursement repays an expense you covered for someone else, while a merchant refund returns money for a purchase from the seller. Employment earnings pay you for work; take-home pay is what remains of those earnings after payroll taxes and other deductions. An employer's expense repayment serves a different purpose, even if it arrives with payroll. That distinction describes what the payment covers, not a guarantee about its tax treatment.

Common questions

Is every employer reimbursement tax-free? No. In the US, some employer reimbursements count as taxable wages, depending on the reimbursement arrangement and whether its requirements are met. Check the payment's treatment with payroll rather than assuming every expense repayment is tax-free.

What if a reimbursement arrives next month? Keep the expense on its payment date and the repayment on the date received, with a separate record of the outstanding amount in between. The gap explains why the account can be lower this month even when someone has agreed to pay you back.

What if only part of an expense is reimbursed? Subtract only the amount received from the agreed repayment. A balance that is still owed remains outstanding, but a denied amount you must cover becomes your cost unless the decision changes. Your own share was never part of the reimbursement in the first place.

Go deeper

Where it shows up in Zypper

Zypper lets you leave a reimbursable expense out of your budget without hiding the transaction. Set Excluded from the budget for a whole transaction, or split a shared purchase and use each part's Exclude from the budget setting so your own share can still count. Budget exclusion leaves account balances and net worth unchanged. See Excluding transactions from your budget and Splitting and linking transactions, or get started with Zypper to track your share of shared expenses.