The High Income Child Benefit Tax Charge (HICBC} was introduced by HMRC in January 2020, and it’s a special tax charge which applies to anybody with an annual income over a certain level (£50K). It applies if you are the main wage earner, spouse or joint-heirs, or child, and it can also apply if one of you are self-employed. The charge is collected under Self Assessment.
If you or your spouse / partner earns over £50K annually then you may have to give portion of child benefit back to HMRC as an additional tax. Also known as HICBC High Income Child Benefit Charge. The current charge is 1% of every £100 earned over the prescribed limited of £50K per annum. In a single year with one child the current child benefit rate is upto £1076.40 or up to £1788.80 for two children.