A week is a period of seven days beginning with a Monday; it is in a tax year if the Monday with which it begins is in the tax year. As the charge is by reference to weeks, it will apply only to those weeks of a fiscal year for which a partnership exists.
Example On 6 April 2013 Frances is a sole parent entitled to child benefit of £33.70 per week for her two children. Her annual adjusted net income is £55,000.
Percentage charge: £55,000 - £50,000 = 50%
100
Frances is liable to a charge of 50% x £1752 (after rounding down). The charge would be £876. Note that this is the actual tax charge, not the assessable amount.
If child benefit is being paid, and a couple start living together, the charge will arise from the time the couple live together.
If a partnership breaks up the higher earning partner will only be liable from 6 April until the date the partnership breaks up.
This could cause problems where people enter into serial partnerships, since HMRC are proposing to monitor the situation on a weekly basis!
There is an exemption if one partner had previously claimed child benefit on the basis that they were living with the child and after an absence of less than 52 weeks, resumed the claim on the same basis. This would occur when a parent moves away for work and leaves the child with a family member until they return.
One of the problems with this legislation is that both partners are required to disclose their income. This caused a lot of difficulties prior to the introduction of separate assessment in 1990/91 and many people would regard it as an intrusion into their privacy. The only way to avoid this would be to disclaim the child benefit.
If they cannot or will not ascertain their partner’s income, HMRC is willing to help. It will try to provide the minimum information to enable them to establish whether either has a ‘higher income’.