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This update relates to the Budget Statement 18 March 2015.
Check the availability and any issues affecting the VAT GIANT online service.
Trust and estate returns technical specifications for Self Assessment Online software developers.
Partnership returns technical specifications for Self Assessment Online software developers.
Use this technical documentation for partnership returns if you’re a software developer working with the Self Assessment Online service
Check the availability and any issues affecting the VAT On e-Services (VOES) online service.
Find software developers that can help with entry summary declarations including safety and security declarations for imports.
Use this technical documentation for partnership returns if you’re a software developer working with the Self Assessment online service.
Guidance on how intermediaries can calculate statutory payments for off-payroll working engagements using payroll software.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment Online service.
Check the availability and any issues affecting the Business Help and Education Emails online service.
Find HMRC payroll test data for software developers.
This update relates to Autumn Statement 25 November 2015 Income Tax and National Insurance changes from 6 April 2016.
Returns technical specifications for Self Assessment Online software developers.
This update relates to Autumn Statement 3 December 2014.
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
Event report XML schema, validation rules and error messages for Pension Schemes Online software developers.
Don’t include personal or financial information like your National Insurance number or credit card details.
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