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17 July 2026·4 min read

August used to be the month you could leave

For as long as anyone can remember, August was the month a practice could switch off. That ends this year, because the first quarterly update under Making Tax Digital for Income Tax falls due on 7 August, right in the school holidays, and it is the first live HMRC checkpoint of the new regime. It quietly tests whether your practice runs on one person being at their desk, or on a routine that holds while they are away.

For most of my working life, August was the month a practice could breathe. The January rush had long faded, the July payroll and benefits work was behind everyone, and the office ticked over on a skeleton while people took their fortnight somewhere warm. Clients understood it, HMRC's calendar seemed to respect it, and the profession quietly agreed that the middle of summer was the safe place to switch off. That understanding ends this year, because on 7 August the first quarterly update under Making Tax Digital for Income Tax falls due, and it lands in the middle of the school holidays.

This is the first live checkpoint of the new regime, so it matters that it has arrived now rather than in a quieter month. For the clients caught in the first phase, meaning sole traders and landlords whose income crossed the threshold on their last return, there is no longer one tidy reckoning every January. There is a running obligation every three months, and the very first instalment sits exactly where the profession had always planned to be away. The update covers 6 April to 5 July, and it needs a live ledger behind it rather than a shoebox that gets tidied in the autumn.

HMRC has softened the landing, and it is worth being honest that they have. Penalty points are waived for this first year, so a late update this August will not cost anyone the way it will later. The trouble with a grace period is that it teaches a habit, and the real points begin in 2027, so a firm that treats this summer as optional simply inherits the problem next year with a penalty attached. The quiet month has not become a busy one, but it has stopped being a month you can ignore.

All of this arrives on a profession that is already running hot. ICAEW felt the need to publish guidance on preventing burnout earlier this year, which tells you something on its own, and the wider surveys keep finding the same picture of fatigue driven by sheer volume of work and by data scattered across too many places. More than four in five accountants say that at least once in the past year the monthly close bled into their personal life. So the position we are in is a workforce that already struggles to put work down, handed a first-of-its-kind August deadline, in the month it used to rely on to recover.

And here is the part that catches even the partners who do manage to get away. Plenty of them will not really leave at all, because they will take the laptop, and somewhere around the 6th or 7th of August they will log in from a villa or an apartment and file the quarterly updates themselves. It feels like nothing, and for a single person doing it once it usually is nothing. The moment it becomes a pattern across a team, though, it stops being trivial, because work carried out from another country carries its own questions. An employee spending part of the summer working abroad can raise payroll issues, and for the employer there is the further question of whether a presence abroad creates a permanent establishment. The reassuring news is that the current international guidance treats a location as safe where someone works there for under half of their time across a twelve month window, which covers almost every genuine holiday. The risk is never the fortnight itself. The risk is the arrangement that drifts into something longer without anyone checking the residence position or asking whether an NT code should be in place, and summer is when those arrangements quietly begin.

None of this is an argument against taking a break. It is closer to the opposite, because the deadline in August is really a test of something that was always true and is now simply visible. A practice either runs on a named person being at their desk, or it runs on a process that holds whether that person is there or not. When the work depends on one partner, the holiday depends on that partner not being needed, and MTD has just made the month when they are needed the same month they wanted to be gone. When the work sits on a live ledger with the routine looking after itself, the 7th of August passes without anyone reaching for a laptop on a sun lounger.

The firms that take a real holiday this year will be the ones that built the second kind, and they built it before the summer rather than during it. That is the uncomfortable little lesson buried in the calendar. August did not get busier, and the work did not get harder. It simply moved to a place where you can no longer look away from it, and the practices that prepared for that will be the ones actually reading a book on the beach while the update files itself behind them.

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