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Contact details, webchat and helplines for enquiries with HMRC on tax, Self Assessment, Child Benefit or tax credits (including Welsh language services).
Information on how to find your National Insurance number and how to get a letter with your National Insurance number on.
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
Check how much Income Tax you paid to HM Revenue and Customs (HMRC) last year. Check your P800.
How to download and access the HMRC app on a mobile device to get information about your tax, National Insurance and benefits.
Personal Allowance, Income Tax rates, bands and thresholds.
Contact HMRC for help with questions about PAYE and Income Tax, including coding notices and Marriage Allowance and for advice on savings (including ISAs) and claiming tax back on interest.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Child Benefit - child benefit rates, eligibility, how to claim, child benefit claim form CH2.
Find out when you can expect to receive a reply from HMRC to a query or request you've made.
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