第1个回答 2013-01-19
a reconciliation statement must be submitted before 15th of each month
跟上面的两位完全不同，可以比较下
兼职翻译飘过
第2个回答 2013-01-18
An audit is carried out on bookkeeping every 15th of each month.
或
Accounting audit is done on the 15th every month.
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第3个回答 2013-01-18
Before 15th of each month, an audit should be carried out.
An audit should be carried out before 15th of each month.