RISK & EXPENSE PURCHASE gen.

[NastyaNovak]

Пожалуйста, помогите перевести.
RISK & EXPENSE PURCHASE
Выражение встречается в следующем контексте:
Risk and Expense purchase is undertaken by the purchaser in the event of the supplier failing to honour the contracted obligations within the stipulated period and where extension of delivery period is not approved, while initiating risk purchase at the cost and expense of the supplier, the purchaser must satisfy himself that the supplier has failed to deliver and has been given adequate and proper notice to discharge his obligations.
Заранее спасибо