Every small business has heard it: “The check is in the mail.” Sometimes it is true. Sometimes it is a polite way of buying another two weeks. The goal is not to accuse anyone, but to turn a vague statement into something specific you can check. This Q&A covers how to verify the claim, how often to follow up, when to escalate and how to keep a record that protects you.
Should I believe the customer?
Start from good faith, but do not stop there. Most customers who say payment is coming are telling the truth, and a few are simply disorganised. Either way, a payment that is truly on its way can be described in detail. A payment that is not usually cannot. Your job is to ask the questions that make the difference visible, in a friendly tone.
What should I ask to verify the payment?
Ask for specifics, and write down every answer:
- The date. “What day was it sent?” A check that left on Monday should be arriving within a few business days.
- The amount. Confirm the exact figure and which invoice numbers it covers, so a partial payment does not get mistaken for a full one.
- The method. Paper check, bank transfer, card or another channel. Each has a different timeline.
- Tracking or remittance details. For a mailed check, ask for the check number or a tracking number. For a transfer, ask for the reference or a remittance advice they can email you.
- Who sent it. Name the person or department, so you know who to contact if it does not arrive.
A customer who has really paid will usually answer in a minute. Hesitation or vague replies are information too, not proof of anything, but a reason to follow up sooner.
Then check your side
Before chasing again, look at your own bank account and your mailbox. Payments are sometimes received and not yet matched to the invoice. A quick check avoids an awkward second message.
How often should I follow up?
A simple cadence keeps you consistent without nagging:
- Day of the promise. Confirm the details above in writing the same day.
- Expected arrival date plus two business days. If nothing has arrived, send a short, friendly note asking for an update.
- Five business days later. Follow up again by phone, and ask for tracking or a copy of the payment confirmation.
- Weekly after that. Keep each contact short and always propose a next step with a date.
When should I escalate?
Escalate when the story changes or the dates keep slipping. Typical signals are a second or third “it is in the mail” with no check number, a payment that cannot be traced, or a contact who stops replying. Escalation does not have to mean a legal threat. Steps usually run in this order:
- Contact someone else at the customer, such as accounts payable or the owner.
- Send a formal reminder that lists the invoices, the amounts and the dates promised.
- Pause new orders or services on credit until the balance is settled, if your terms allow it.
- Send a final notice with a clear deadline before considering a collection agency or legal advice.
Check your payment terms and local rules on late fees before you apply them, and keep every message professional.
Why should I document every promise?
If a dispute arises, a record of what was said and when is your strongest asset. After every call, send a one-line email: “Thanks for your time today. As discussed, you sent a check for $1,850 on October 14, covering invoices 1042 and 1043.” Log the date, the person, the amount, the method and the promised date. Over time this also shows which customers keep their word and which do not, which helps you decide on credit limits.
How does this relate to a promise to pay?
A promise to pay is a specific, dated commitment from the customer: an amount, a method and a day. “The check is in the mail” becomes a promise to pay once you have the details. Track it like any other: set a reminder for the promised date, mark it as kept or broken, and adjust your next step accordingly. A broken promise is the clearest trigger for moving to the next stage of your follow-up.
Keep the relationship in view throughout. Most late payers are not bad actors, and a calm, organised approach gets you paid faster and keeps the customer.
Frequently asked questions
How long should I wait for a mailed check?
Allow for normal postal delivery, usually three to seven business days depending on distance, plus a couple of days to deposit and clear it. If it has not arrived after that, ask for the check number and follow up.
Can I ask for proof of payment?
Yes. Asking for a check number, tracking number or bank transfer confirmation is a normal request. Phrase it as helping you match the payment quickly, not as doubting them.
What if the customer keeps repeating the same excuse?
Repetition without new details is the signal to escalate. Move to a second contact, send a formal reminder with the promised dates, and set a firm deadline.
Should I stop work while waiting for payment?
Not immediately for a recent promise with clear details. If promises are broken more than once, pausing new credit work is reasonable, provided your terms allow it and you tell the customer in writing.
FulcrumGrid Collection
Keep every payment promise on record
If you track promises by hand, FulcrumGrid Collection can help: it logs promise-to-pay dates and follow-ups per invoice, so nothing depends on memory.