That would be the responsibility of the buyer. We are prepared, however, to provide all the documentation costs.
那是属于买方的责任,我们仅承担提供所有文件的费用。
People who live in Britain needn't despair when they made mistakes like this (and a lot of people do)!
当英国人犯这种错误时,他们不必感到绝望(而许多国家的人都有这种绝望的感觉)。