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Check the availability and any issues affecting the Alcohol Wholesaler Registration Scheme (AWRS).
Check the availability and any issues affecting Alcohol and Tobacco Warehousing Declarations (ATWD).
Internet submissions technical specifications for Real Time Information online software developers.
Forms P60 (2020 to 2021) for PAYE software developers.
Check the availability and any issues affecting the Customs Handling of Import Export Freight (CHIEF) online service.
Check the availability and any issues affecting Annual Tax on Enveloped Dwellings (ATED).
Guidance for software developers on the IRmark.
Check the availability and any issues affecting the Construction Industry Scheme (CIS) online service.
Check the availability and any issues affecting the Online Agent Authorisation online service.
Use this guide to design employer substitute forms P60 for tax years 2023 to 2024 and 2024 to 2025.
Find HMRC payroll test data for software developers.
Check the availability and any issues affecting the Import Control System (ICS) online service.
Technical specifications for New Computerised Transit System (NCTS) software developers.
Find guidance on how to create iXBRL accounts and computations if you are a Corporation Tax software developer.
List of companies who advised the New Computerised Transit System project team of their intention to develop commercial software solutions for NCTS.
A guide for software developers to installing and running the Local Test Service (LTS) on Windows.
Check the availability and any issues affecting the Child Trust Fund (CTF) online service.
Real Time Information (RTI) Rules and Interface Management (RIM) artefacts and supporting technical specifications for software developers.
Find technical resources for software developers working with the EC Sales List online service.
Find recognised suppliers and software for Stamp Duty Land Tax (SDLT).
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