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Use the online form if HMRC has paid you too much tax credits and you think you should not have to pay it back.
Tax compliance checks - what HMRC can check, how the checks are conducted and what you'll need to do
Use the Gift Aid declaration form to make a one-off Gift Aid donation to a charity or Community Amateur Sports Club (CASC), or use the form if you're a charity or CASC to give to your supporters.
Use the IHT411 with the IHT400 to give details of any shares or stock the deceased owned.
Tax and reporting rules for employers providing vouchers to employees
Apply for an Inheritance Tax reference number before sending in form IHT400 and paying your tax.
Use form COMP1 if you want HMRC to deal directly with your tax adviser or agent in relation to a compliance check.
The employment status of au pairs, nannies, carers, personal assistants and other people who work in your home - how to tell if they're an employee or not, what happens with the National Minimum Wage, tax and National In…
Give subcontractors a statement to break down payments and deductions for the Construction Industry Scheme (CIS).
Run payroll for married women or widowers paying less National Insurance, forms CA4139, CF383, CF380A, use NI category letter B or E, when to stop deducting the reduced rate
Paying Corporation Tax when your limited company sells an asset for more than it paid - includes chargeable gains, intangible assets, working out inflation
Tax and reporting rules for employers providing long-service awards
Use the IHT404 with form IHT400 to give details of all UK assets the deceased owned jointly with another person.
Relief from Capital Gains Tax (CGT) if you buy new business assets with the proceeds from selling old ones, check if you're eligible, how to claim
Appeal to the First-tier Tribunal (Tax) against tax decisions: how to appeal, the hearing, if you lose your case.
If your business pays the cost of an employee's mobile phone - what you must report to HMRC and what taxes and National Insurance are due.
Check if you’ll pay tax or National Insurance on the 'termination payment' you may get when leaving a job.
Tax and reporting rules for employers covering the costs of employees working from home
Use supplementary pages SA110 to record the results of your tax calculation on your SA100 Tax Return.
Use form SPP1 if you're an employer and need to tell an employee why they aren't entitled to receive Statutory Paternity Pay (SPP).
Don’t include personal or financial information like your National Insurance number or credit card details.
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