In his pre-budget report last week, Gordon Brown said that charities will still be able to claim Gift Aid on admission, but only if an additional donation of at least 10 per cent was added. The entire amount would then be eligible for Gift Aid.
It marks a retreat from plans to close the "loophole" entirely, which would have cost charities £15m.
The Charity Finance Directors' Group warned that a loss of revenue was inevitable.
But Mark Taylor, director of the Museums Association, was greatly relieved: "It should reduce the impact of what could have been a financial disaster," he said.
See Editorial, p17.