For one order, there are two financial statements.
For one order, there are two different delivery destinations.
"For one order, there are two financial statements."＝「一つの注文につき、二つの明細書があります。」
"For one order, there are two different delivery destinations."＝「一つの注文につき、二つ異なる配送箇所があります。」
Sentence in context:
"Please be careful, as this order requires the items to be sent to two different delivery destinations."
アメリカ合衆国 
