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Use this form to give details about household and personal goods involved in a chargeable event on form IHT100.
Use the online form (previously form SC5) if you're adopting a child from abroad and need to apply for Statutory Paternity Pay or paternity leave.
Give specimen signatures for a third party authorised to apply for a certificate of residence for a registered pension scheme.
Use supplementary pages SA102MLA to record employment income on your SA100 Tax Return if you're a member of the Northern Ireland Legislative Assembly.
Use supplementary pages SA901 to declare details of trades on the SA900 Trust and Estate Tax Return.
Use Collective Investment Schemes form CISC10 to register a new Authorised Investment Fund with HMRC.
Use supplementary pages if you're party to any notifiable arrangements under S308, 309, 310 Finance Act 2004 (FA 2004).
Use form LT1WD to apply to HMRC to discount the water content when calculating taxable weight of waste.
Use the online form to tell HMRC about your payroll outsourcing arrangements.
Report Inheritance Tax due on assets that have stopped being held in an '18 to 25' trust using form IHT100h.
Use form VAT1B to register for UK VAT if you make acquisitions of goods from EU states to bring into Northern Ireland and you've passed the acquisition threshold.
Use form CTF10 to claim early payment of relief from tax paid on Child Trust Funds you manage.
Use supplementary pages CT600F (2025) version 3 if your company operates ships and is a party to a Tonnage Tax election.
Use the online form or postal form HO66 to claim drawback of Excise Duty on oil used as fuel on foreign-going vessels.
You can ask to have your joint annuity paid without tax taken off by using form R86.
Use the IHT 420 to claim heritage conditional exemption for any assets in the estate past or present or in a maintenance fund.
Use the online service or postal form (IPT1) to register for Insurance Premium Tax.
Use form RBE1 if you're a trustee of a settlement that was non-UK resident in 2008-09 and want to make a Capital Gains Tax 'rebasing election'.
Use form APSS202 to amend an existing notification to rely on an international Enhanced Lump Sum and Death Benefit Allowance.
Report information relating to relevant benefit crystallisation events or the transfer of relieved relevant non-UK scheme assets for relevant migrant members.
Don’t include personal or financial information like your National Insurance number or credit card details.
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