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Find guidance for software developers working with the Corporation Tax online service.
Technical specifications for Import Control System Northern Ireland for software developers.
Read Income Tax guidance for software developers working with payroll software.
Check the availability and any issues affecting employment intermediaries.
Forms P60 (2018 to 2019) for PAYE software developers.
Get guidance from HMRC if you’re a tax agent or an adviser.
Get guidance from HMRC if you're a tax agent or an adviser.
Check the availability and any issues affecting the Customs Freight Simplified Procedures (CFSP) online service.
Find out how much you'll need to pay if Digital Services Tax applies to your business.
Charities repayments claims technical specifications for software developers.
IRmark code examples in JAVA.
Guidance for software developers on how to produce an IRmark for Gateway Protocol services.
Use this guidance to find out about the Serial Tax Avoidance Regime, what happens if you’ve used a defeated tax avoidance scheme and what you need to do next.
This factsheet gives information about customs inland pre-clearance checks.
When HMRC will issue a joint and several liability notice to someone connected to a company that has received a tax avoidance or tax evasion penalty and the company has started, or is likely to start, insolvency.
This notice explains what records you need to keep if you are a trader in goods or services that have to pay Excise Duty (revenue trader).
HMRC can tax loans paid to contractors or freelance workers through trusts or umbrella companies, just like normal income.
An update on the UK implementation of the treatment of accounts held by non-financial charities and other not for profit organisations.
On 5 July 2017 The Supreme Court released their unanimous decision about disguised remuneration tax avoidance schemes used by Rangers Football Club.
Find out about the penalties for enabling a defeated tax avoidance scheme, the time limits, and how to appeal a penalty notice.
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