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How to claim tax relief under the Community Investment Tax Relief (CITR) scheme.
Find out how to report support payments relating to self-isolation due to coronavirus (COVID-19), on your Self Assessment tax return.
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
Use this helpsheet to understand tax equalisation and prepare tax returns for tax equalised individuals.
Get help if you’re a tax agent or adviser who has clients with private and personal expenditure to declare on Self Assessment tax returns.
This introductory tax guide is intended for businesses looking at employee ownership for the first time, rather than professional advisers.
This factsheet explains the checks on tax affairs when HMRC visits a business premises unannounced.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
Use this technical documentation for partnership returns if you’re a software developer working with the Self Assessment online service.
This factsheet tells you about old Self Assessment penalty rules and when they apply.
Use this technical documentation for trust and estate returns if you’re a software developer working with the Self Assessment online service.
Guidance on identical returns for Self Assessment Online software developers.
Use this helpsheet to understand tax rules on non-resident entertainers and sportspersons.
Use this helpsheet to work out Foreign Tax Credit Relief for Capital Gains and how to complete the Trust and Estate tax return.
Get help if you're a tax agent or adviser who has clients with foreign income to declare on Self Assessment tax returns.
Get help if you’re a tax agent or adviser who has clients with Capital Gains Tax for shares to declare on Self Assessment tax returns.
Get help if you’re a tax agent or adviser who has clients with business profits to declare on Self Assessment and Company Tax Returns.
Get help if you’re a tax agent or adviser who has clients who must complete Trust and Estate Tax Returns.
Agent authorisation Self Assessment technical specifications for software developers.
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