Abatement

Margaret Thatcher negotiated a special rebate on EU contributions for the UK in 1984 (Photo: thesetides.com)
Every Member State pays contributions to finance the EU. In 1984 Margaret Thatcher negotiated a special rebate for the UK, which is calculated annually.
The reduction is technically called the abatement, but is commonly known as the British Budget “rebate” or “refund”.

Links

See also British rebate.
http://www.parliament.the-stat......d/pdvn/lds02/text/20722-01.htm