Knowledge Base Articles

We don't just deliver on our promise to create powerful management products, we ensure you're equipped with the knowledge needed to tackle every business challenge.

Knowledge Base

2967 articles

personal-tax-period-reform-profit-or-loss-of-the-transitional-partfse73-1-is-present-so-sa103f-overlap-relief-not-previously-deducted-on-a-change-of-accounting-date-should-be-absent

Personal Tax- Period Reform: Profit or Loss of the transitional part[FSE73.1] is present so [SA103F Overlap relief not previously deducted on a change of accounting date] should be absent

When generating the electronic tax return the validation below appears:- Profit or Loss of the transitional part[FSE73.1] is present so…

personal-tax-incorrect-calculation-of-basis-period-incorrect-year-end

Personal Tax- Period Reform: Incorrect calculation of Basis period (incorrect year end)

There are instances where the Personal Tax basis period calculation is incorrect as it should be 12 months from the…

business-tax-rd-additional-information-form-tick-box-is-missing-box-660

Business Tax- R&D Missing Tick boxes like Additional information (box 660)

This affects IRIS version 24.3.0, when entering R&D SME enhanced expenditure for a client, it is not automatically filing out…

personal-tax-transitional-profits-calculating-not-at-the-expected-20-tax-rate-why

Personal Tax- Period Reform: Transitional Profits Calculating not at the expected 20/40% tax rate, why?

The IRIS Personal Tax calculation is correct as confirmed by the IRIS Development Team. HMRC calculates the tax due on…

business-tax-sme-research-and-development-entry-for-rd-expenditure-not-populating-the-rest-of-the-boxes

Business Tax- SME Research and Development, entry for R&D Expenditure not populating the rest of the boxes

For example: Data Entry | Research and Development CT600L | SME Research and Development - enter £XXX R&D Expenditure -…

personal-tax-3001-8219-amount-in-box-fps16-must-equal-fps8fps9

Personal Tax - 3001 8219 amount in box fps16 must equal fps8+fps9. Share of Profits SA104F must equal

When generating you may get a validation: Share of Profits Amount in box SA104F Adjusted profit for year must equal…

kba-03851

KBA-3851 PTP TR - Partnership entries for Basis Period Reform with two sets of accounts

This example relates to a taxpayer who previously had an April year end so the last accounts were made up…

personal-tax-add-income-and-get-if-a-date-received-is-not-entered-these-values-wont-be-included-in-any-updates-sent-to-hmrc

Personal Tax- Add income and get 'If a date received is not entered these values won’t be included in any updates sent to HMRC'

If you are trying to trying to enter income and expenses however the message appears: 'If a date received is…

error-3318-the-period-to-which-this-returns-accounts-applies-does-not-coincide-with-the-effective-from-to-dates-of-the-referenced-accounts-taxonomy

Error 3318 - the period to which this Return's Accounts applies does not coincide with the effective from/to dates of the referenced Accounts Taxonomy.

We are aware of an issue affecting some users in IRIS Accounts Production, where the Error 3318 - the period…

business-tax-claim-audio-visual-and-video-games-expenditure-credits-avec-expenditure-credit-regime-post-2024-25

Business Tax- Claim Audio-Visual and Video Games Expenditure Credits (AVEC) ‘Expenditure credit' regime Post 2024/25

HMRC Post 2024/2025 rules - Certain creative types are moved to a new Audio-Visual and Video Games Expenditure Credits (AVEC)…