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How to tell HMRC if there's a change to your personal details - address, name, income, marital status, gender
Apply for your first National Insurance number - you must have the right to live and work in the UK.
Find out if you need to apply for probate to deal with the estate of someone who’s died. Discover how to apply for probate or letters of administration and what to do if there’s no will.
Become a sole trader with HM Revenue and Customs - your legal responsibilities if you run a business as a self-employed sole trader.
When you start repaying your student loan, your monthly repayments, what to do if you have 2 jobs or are self-employed, how to get a refund if you've overpaid.
As an employer, if you provide company cars or fuel for your employees' private use, you'll need to work out the taxable value so you can report this to HMRC
Get help with savings if you're on a low income (Help to Save) - how it works, what you'll get, eligibility, how it affects your benefits and how to apply online.
High Income Child Benefit Charge - check if you're affected, how and when to pay this tax charge, opt out and restart Child Benefit payments.
What you need to do if you start working for yourself.
Class 1 National Insurance (NI) contribution rates for the current tax year, what NI category letters mean.
File your Company Tax Return with HMRC, and your company accounts with Companies House
Fit notes (formerly sick notes), holiday during sick leave, returning to work, long-term sick, dismissals
Tax free saving for your first home and later life: what is a LISA, who can apply, 25% government bonus, withdrawal charges.
What Capital Gains Tax (CGT) is, how to work it out, current CGT rates and how to pay.
UK border control - passport checks, visas for entering, customs, transiting and layovers.
How and when to report changes that affect your Child Benefit payments, such as earnings going above £60,000. How to update a change of address or bank details.
Marriage Allowance allows you to transfer some of your Personal Allowance to your husband, wife or civil partner: what you get and how to apply for free.
Incorporate a private limited company - register it with Companies House and rules on directors, shares, articles of association and telling HMRC about the company
How to register for VAT, change your details, cancel your registration, register for VAT in EU countries.
How to apply for Tax-Free Childcare.
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