Oscar and see this link. Interestingly at the end it seems to say they will only tell you if your own income is higher than your partner's,. I thought I read elsewhere they would only tell you information such as - your partner earns over £60,000 or £50,000. Th atis not quite the same as in the guidance below. Telling someone your husband earns more than you (if you are a housewife) does not tell you if he is on £1 a year or £100m. Nor does it solve the question of whether he is over £50k or not.
www.hmrc.gov.uk/childbenefitcharge/faqs.pdf
This is the key bit
Q14: How do I know if my income is more than my partner's?
A14: If you cannot ask your partner, you can ask HMRC to tell you if your income is more than your partner's. HMRC cannot give you a precise figure of your partner's income but can tell you if their income is higher than yours.
High Income Child Benefit: problems getting information from a partner
Q15: Why do I need to tell my partner about my income?
A15: You will need to know whether you or your partner has to pay the charge, because it is payable by the partner with the highest income. You will only need to know if your income is higher or lower than yours. You will still have your own Personal Allowance and be responsible for your own tax.
Q16: Is HMRC allowed to share my income details with my partner?
A16: HMRC is committed to the principle of taxpayer confidentiality and has to safeguard this. You can ask HMRC about your partner's income levels without breaking this confidentiality - follow the link below to find out more.
They then link to www.hmrc.gov.uk/childbenefitcharge/problemsgettinginformation.htm called problems getting information out of your partner.
I might as well post it as it's interesting;
Who can ask HMRC for the information
You should only ask HMRC for information if you have not been able to talk to your partner about their income and Child Benefit entitlement.
If this applies to you, you can only ask if you are one of the following:
You have an individual income of more than £50,000 in a tax year and live with that partner.
You have an individual income of more than £50,000 in a tax year and have split up from your partner during that year.
Your tax agent or adviser can request this information as long as they are formally authorised to act on your behalf.
Find out how to authorise an accountant to deal with HM Revenue & Customs for you
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Information you can ask for
Because of the need to respect the confidentiality of your tax affairs, and those of your partner or ex-partner, the only information you can get from HMRC will be one or both of the following:
Whether your partner/ex-partner was entitled to receive Child Benefit for a specific tax year.
Whether your individual adjusted net income was higher than your partner's/ex-partner's income for a specific tax year.
This will be based on the latest information available to HMRC.
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How and what to ask HMRC for
You can either send in an online form which sets out what you can ask for, or you can write to:
HM Revenue & Customs
High Income Child Benefit charge
PO Box 192
BOOTLE
L69 9ZW
Ask HMRC for High Income Child Benefit information
You won't be able to ask HMRC for the information over the telephone or in person.
Writing in
If you do want to ask for information, you will need to use this exact wording in your letter:
'Based on the latest information available to HMRC:
Was my partner/ex-partner entitled to receive Child Benefit for [insert specified year]? and/or
Is/Was my individual adjusted net income higher than my partner's/ex-partner's income for [insert specified tax year]?'
Your letter will also need to include:
your name and address including postcode
your date of birth
your National Insurance number
your individual adjusted net income for the tax year you want the information for
your partner's or ex-partner's name, full address (including postcode) and their date of birth or National Insurance number if you know it
Agents
If you are writing in on behalf of a client, you need to make it clear that the details relate to your client.
HMRC will reply to you. The reply will be in the same format as if your client had asked for the information themselves.
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What HMRC will do
When HMRC gets your request they will:
check their records
verify both you and your partner or ex-partner from the information you have supplied
let you know whether or not they can provide you with the information you have asked for
If HMRC can't provide you with the information, they will not be able to tell you why.
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The information HMRC can provide
HMRC will only provide the following in their reply:
In relation to question 1:
'Yes/No, [insert partner's/ex-partner's name] was/was not entitled to receive Child Benefit for [insert specified year]'
In relation to question 2, that based on latest information available to HMRC:
either that 'the income for [insert partner's/ex-partner's name and the year for which the information is being provided] was higher than the figure provided by you', or
'the income for [insert partner's/ex-partner's name and the year for which the information is being provided] was not higher than the figure provided by you'
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Follow up requests
If HMRC can't provide you with information for the tax year you need you can contact them again. But you will need to ask for the information in the same way as you did for your original request.