Q. What is the difference between Liquidated Damages and Performance Bonds?
A. Liquidated Damages (LDs) are a specific sum of money stipulated by the contracting parties as their amount to be recovered for each day of delay in delivery or completion of the project. They do represent the owner’s actual damages but are established in the contract as a substitute for actual damages. They should represent the most realistic forecast possible of what the actual damages are likely to be. They are widely used in construction contracts and sometimes in supply and service contracts. For more information, see the Best Practices Procurement Manual (BPPM) Section 8.2.3 – Liquidated Damages. LDs are normally capped in the contract; i.e., there is a maximum amount stipulated in the contract that may be assessed against the contractor for late delivery (but this is not always the case). In the event of contractor default the owner must complete the project with another contractor and pay the added cost beyond the original contract amount.

http://www.fta.dot.gov/ftahelpline/Frequently Asked Question...

или
неустойка за невыполнение в срок

Прочитав письмо, Татьяна Р. обратилась в суд с просьбой взыскать с ответчика неустойку за невыполнение сроков поставки заказа.
По его условиям магазин отказывался от взыскания стоимости дверцы и выплачивал покупательнице в счет неустойки 400 долларов США.

vedomosty.spb.ru/2001/arts/spbved-2544-art-36.html

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Note added at 1 Stunde (2006-10-23 21:34:37 GMT)
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..и, наверно в скобках (в день/за день)