求翻译：IBM内部必须引入IGF部门的合作，付款条件是货到之日开始计算3个月的最后一个工作日之前完成货款的85%支付，15%的尾款从货到之日开始计算12个月的最后一个工作日之前完成支付是什么意思？

internal ibm must be the introduction of the igf sector co-operation, terms of payment is 85% of the purchase price of the goods to the start date of the last working day of the three months and be completed before payment, 15% of the balance due from the date of the goods to the calculation of the

Internal IBM IGF must be introduced, and the conditions of payment is the date on the last 3 months, a complete payment of the day before pay 85 per cent, 15 per cent of the tail section from the beginning of the day on which the calculation of the last 12 months, one day before you complete the pay

The IBM interior must introduce the IGF department the cooperation, the payment condition is date of the delivery starts to calculate for 3 month-long before the last working day completes the loans 85% payment, 15% tail funds start date of from the delivery calculates for 12 month-long before the l

IBM internal cooperation must introduce IGF sector, to begin on the date of terms in the payment terms were completed 3 months prior to the last business day of payment 85% payment 15% start to run from the date of delivery at the end of 12 months prior to the last business day of payment

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