增值税税收缴款书或出口货物完税分割单。

Certificate of payment of value-added tax or export goods tax-paid slip.

这就比较容易的解释固定缴款计划的含义：雇主每年仅仅缴纳占工资总额一部分比例的费用。

It is relatively easy to work out what that means with a DC scheme: the employer simply pays a proportion of its payroll into it each year.