- Tell HMRC about underpaid tax from previous years
- Promotional material: Help to avoid errors in claims for plant and machinery allowances — GfC5
- Calculate interest and penalties for tax years ending 5 April 2006 to 5 April 2024
- Calculate tax, interest and penalties for the tax years ending 5 April 2010 to 5 April 2024
- Report your Capital Gains Tax on UK property by post
- Claim bad debt relief for Aggregates Levy
- Keeping records for Aggregates Levy
- Guidance: Agent Update: Issue 130
- More than half a million more people in line for savings boost
- Form: Tax credits: dispute recovery of an overpayment (TC846)
- HMRC email updates, videos and webinars for landlords
- Guidance: First time users: install and set up Basic PAYE Tools
- Form: Tax credits: if you think a decision is wrong (WTC/AP)
- Corporate Finance Manual
- Investment Funds Manual
