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How late clients can cancel without losing their deposit

You set a free cancellation window based on whether you have time to fill the slot, post it clearly before the client pays the deposit, and repeat it in the confirmation, and you know when you can keep the deposit for a late cancellation and when the law requires you to refund it.

By Yodai · Published September 6, 2026 · Updated October 13, 2026

Someone texts you two hours before their appointment: "I can't make it, can you refund what I paid?" If you say yes because you don't want to seem harsh, that hour stays empty and nobody fills it. If you say no, they might get upset, because you never told them the deadline for a free cancellation.

The problem isn't the answer you improvise in the moment. It's that the deadline didn't exist before they asked.

You already know how long each appointment really takes and how much deposit to ask for so the booking doesn't fall through. What's missing is the piece that makes that deposit actually mean something: the deadline. Without a clear deadline, the deposit gets refunded whenever someone pushes back, and then it protects nothing. It's just an interest-free loan the customer calls in whenever it suits them.

The deadline is measured by whether you have time to fill the slot

The free cancellation deadline isn't a number you copy from another business. It's the answer to a single question: if this person cancels right now, do I have time to offer that slot to someone else?

A hair salon booked solid three days out can afford free cancellations up to 24 hours before: there's enough time to notify someone on the waitlist and get them to confirm. A one-on-one session booked weeks in advance needs a longer window, because finding someone to fill that exact time slot, on that same day, is a lot harder.

Healthcare measures this the same way. A study at general surgery clinics in England's public health system in Essex defines a short-notice cancellation as one that comes in less than 72 hours before the appointment, because by then there's no time to give the slot to another patient. And calling ahead of that window isn't enough if no one works the slot: out of 35 appointments patients asked to move to another day when they were called at least 72 hours ahead, only 20 of those slots got filled again, simply because there wasn't enough staff to rebook them.

That's the standard, not a number that just sounds good: the faster you usually fill an empty slot, the shorter the deadline can be; the harder it is to rebook an appointment, the longer it needs to be.

What gets written where the booking happens

That deadline is worthless if only you know about it. Put it where the customer books, before they pay the deposit, and repeat it word for word in the confirmation they get. For an individual customer, this isn't optional: the Spanish consumer protection law requires that they be able to see the terms before booking.

What you put in that text has a name in the law. The Spanish Civil Code governs "earnest money" deposits in a sale: whoever pays it can back out and lose it, and whoever receives it can back out by returning double. And if what the late-cancelling customer loses works like an agreed-upon penalty, it's a penalty clause: it stands in for damages, and a judge can adjust it fairly if the obligation was only partly or irregularly fulfilled.

For individual customers, the same consumer law also applies. A term is considered unfair if it imposes a "disproportionately high" penalty on a customer who doesn't follow through, and the same goes for a term that lets you keep what the customer paid when they cancel without promising an equal refund if you're the one who cancels. That's why the text above ends by spelling out what happens if you cancel. An unfair term is void and treated as if it were never written: without that line, the rule that lets you keep the deposit can fall apart entirely.

And if the customer books remotely, online or by phone, through a system you've set up for booking that way, also check the right of withdrawal. With some exceptions, an individual who books remotely has fourteen calendar days from the day they book to withdraw with no reason given, the business refunds everything they paid, and the law voids any clause that penalizes withdrawing. The exceptions include food services and leisure activities booked for a set date. If your service isn't on that list, a customer who cancels within those fourteen days can claim the deposit back even with late notice: check this with your advisor before you publish the text.

Rescheduling isn't canceling

Before the deadline, canceling and refunding the money is simple. After the deadline, losing the deposit outright doesn't have to be the only option: you can offer to move the appointment to another open slot without refunding anything, and save the actual loss of the deposit for when someone simply doesn't show up. You decide on that alternative case by case, it's not something the customer gets to claim as a right.

Watch your booking system: if the link the customer gets lets them cancel or change the appointment without checking the window, you're the one applying the window when you decide whether to refund the deposit, not the website. That's why the terms need to spell it out clearly before the customer pays.

That covers people who cancel late. What's still missing is the rule for people who don't even give notice: how much they lose and at what point they count as a no-show.

In Yodai your clients request a time on your site and you confirm it from your dashboard. See how online booking for your business works.