Last updated: 2 March 2026
From 6 April 2026, self-employed barristers with qualifying income above the income threshold of £50,000 need to submit quarterly updates to HMRC under Making Tax Digital for Income Tax Self Assessment (MTD ITSA). Each quarterly update summarises your business income and expenditure for one update period, filed through MTD-compatible accounting software. This guide covers what to include, the submission deadlines, and how self-employed barristers can comply with MTD tax requirements throughout each accounting period.
What is a Making Tax Digital quarterly update?
A quarterly update is a digital submission of your income and expenses for a three-month period. You submit quarterly updates to HMRC through MTD for Income Tax compatible accounting software — not through the HMRC website directly. Each quarterly update covers one standard period aligned to the tax year.
A quarterly update is not a tax return. You are not calculating your full tax liability or claiming reliefs. You are reporting raw totals — what came in and what went out — so HMRC can build a rolling picture of your estimated tax position throughout the tax year. For barristers, this means recording fee receipts, chambers rent, clerk’s commission, travel costs, and professional subscriptions, then categorising each item under HMRC’s standard income and expense headings. Quarterly updates are cumulative: each submission includes data to HMRC covering all transactions from the start of the tax year.
You must keep digital records throughout each accounting period. Making Tax Digital requires ongoing digital record-keeping — the new tax system demands more than a last-minute data entry exercise. Log transactions weekly using your accounting and tax software.
MTD quarterly update submission deadlines from April 2026
The tax year runs from 6 April to 5 April. Each quarterly update covers one three-month period, and the deadline falls on the 5th of the month after the quarter ends:
| Quarter | Period | Deadline |
|---|---|---|
| Q1 | 6 April to 5 July 2026 | 5 August 2026 |
| Q2 | 6 July to 5 October 2026 | 5 November 2026 |
| Q3 | 6 October to 5 January 2027 | 5 February 2027 |
| Q4 | 6 January to 5 April 2027 | 5 May 2027 |
Your first quarterly update — covering the 6 April to 5 July 2026 period — must be filed by 5 August 2026. You have one calendar month after each quarter to file. Late submission attracts penalty points for late quarterly updates under HMRC’s new regime. Accumulate four penalty points and each subsequent late submission triggers a £200 penalty.
After the fourth quarterly update, you file a Final Declaration by 31 January 2028 — this replaces the old Self Assessment tax return. Your first four quarterly updates feed into the end of year declaration, so accuracy throughout the year saves time at the 31 January deadline.
Who must make tax returns under MTD Income Tax?
MTD Income Tax applies from April 2026 to self-employed individuals and those with self-employment and property income whose qualifying income exceeds the £50,000 income threshold. Most barristers at the self-employed Bar exceed this. If your combined income from self-employment and property income is above £50,000, you need to submit quarterly updates and keep digital records.
Barristers earning between £30,000 and £50,000 join from April 2027. Those below £30,000 are currently exempt. The requirement to make tax records digital and file quarterly submissions applies to income from self-employment regardless of whether you also have property income.
What to include: income and expense categories
HMRC requires each income source to be reported under standard categories. For barristers, the main types are clerk-collected fees (brief fees, refreshers, advisory work), direct access fees, and other professional income such as lecturing, examining, or mediation fees.
Report your gross fee income — the full amount before chambers deductions. If your clerk collects £10,000 in gross fees and deducts £2,000 chambers rent before paying you £8,000, you must report the full £10,000 as income and claim the £2,000 rent as a separate expense.
HMRC expense categories for barristers
MTD accounting software maps expenses to HMRC categories. The table below shows how typical barrister costs align:
| Barrister expense | HMRC MTD category |
|---|---|
| Chambers rent | Premises costs |
| Clerk’s fees / commission | Other allowable expenses |
| Circuit travel (rail, fuel, parking) | Travel costs |
| Practising certificate and Bar subscriptions | Legal and financial costs |
| Professional indemnity insurance | Insurance |
| Law reports, textbooks, databases | Office costs |
| Robing: wig, gown, bands | Clothing costs |
| Accountancy fees | Legal and financial costs |
For the full list, see our guide to expenses for barristers. You can also use our allowable expenses checklist.
Cash basis accounting: when to record income and expenses for MTD
Most barristers use cash basis accounting, the default under Making Tax Digital. You record income when you receive payment, not when you complete the work or raise a fee note.
This creates timing effects unique to the Bar. A barrister may conduct a five-day trial in February, the solicitor pays the clerk in June, and the clerk passes the fee to the barrister in July. Under cash basis, that income belongs in the update period when money reaches your bank account — not when the work was performed. Expenses follow the same rule: record them when paid, not when the obligation arises.
Worked example: a barrister’s Q1 MTD quarterly update
Sarah is a criminal barrister in Manchester earning above the income threshold. She uses Xero as her MTD accounting software. Here is her final quarterly update submission for Q1 — the 6 April to 5 July 2026 period.
Income and expenditure in Q1
| Income source | Amount |
|---|---|
| Fees via clerk (gross, before deductions) | £32,000 |
| Direct access fee | £3,500 |
| Total income | £35,500 |
| Expense | HMRC category | Amount |
|---|---|---|
| Chambers rent (deducted at source) | Premises costs | £6,400 |
| Clerk’s fees (deducted at source) | Other allowable expenses | £2,560 |
| Circuit travel | Travel costs | £840 |
| BSB practising certificate | Legal and financial costs | £100 |
| Bar Council and CBA subscriptions | Legal and financial costs | £450 |
| Total expenses | £10,350 |
The quarterly update filed with HMRC
Sarah’s MTD accounting software transmits data to HMRC:
| Line | Amount |
|---|---|
| Total business income | £35,500 |
| Total business expenses | £10,350 |
| Net profit (Q1) | £25,150 |
This is not a tax calculation. HMRC uses these figures alongside personal allowances and reliefs to build an estimated tax position. The entire process takes minutes when your digital records are maintained throughout the accounting period.
Common mistakes barristers make with MTD digital records
Reporting net instead of gross income. If your clerk deducts rent and commission before paying you, report the gross figure and claim deductions as expenses.
Recording income in the wrong quarter. Under cash basis accounting, the date of receipt determines which quarter the income falls in — not the hearing date or fee note date.
Not maintaining digital records. To comply with MTD, you must keep digital records throughout each accounting period — not just file a submission at the deadline. HMRC expects weekly record-keeping.
Claiming commuting as travel. Travel from home to your usual chambers is not deductible. Travel from chambers to court, or between courts, qualifies.
End of year: the Final Declaration after quarterly updates
Following the end of the tax year, after all four quarterly updates are filed, you complete a Final Declaration by 31 January. This replaces the Self Assessment tax return and is where you confirm your quarterly figures, add end of year adjustments, declare other income such as property income or dividends, and finalise your full tax liability.
The quarterly updates provide raw data. The Final Declaration is where tax planning takes effect — pension contributions, loss relief, and the 60% tax trap. At Jack Ross, we handle barrister tax returns and Making Tax Digital quarterly submissions as part of an integrated service.
Frequently asked questions
What happens if I miss a quarterly update deadline?
Under HMRC’s points-based penalty regime, each late submission adds one penalty point. Once you reach four points, you receive a £200 penalty for that and every subsequent late submission. Points expire after 24 months of consistent compliance.
Can my accountant file quarterly updates for me?
Yes. Your accountant can be authorised as your MTD agent and file each quarterly update on your behalf. You maintain digital records in your accounting software throughout the quarter, and your accountant reviews and files each submission.
How does cash basis affect quarterly reporting?
Cash basis means you record income when received and expenses when paid. Fees for work done months ago are recorded when the money arrives, not when the work was performed. Individual quarters may appear uneven — this is expected and does not cause problems with HMRC.
What is the difference between a quarterly update and a tax return?
A quarterly update reports income and expenses for one update period. No tax is calculated and no reliefs are claimed. The Final Declaration (replacing the Income Tax Self Assessment return) is filed after all four quarterly updates at the end of the tax year and is where tax is calculated and the liability finalised.
Need specialist help with MTD quarterly updates? Jack Ross Chartered Accountants has prepared barristers’ accounts and tax returns since 1948. We set up your MTD-compatible accounting software, handle quarterly submissions, and manage your Final Declaration. Contact Jack Ross to discuss how we can help.
