2.beneficiary's original signed commercial invoices at least in 8 copies issued in the name of the buyer indicating (showing/evidencing/specifying/declaration of) the merchandise, country of origin and any other relevant information. 以买方的名义开具、注明商品名称、原产国及其他有关资料，并经签署的受益人的商业发票正本至少一式八份
3.Signed attested invoice combined with certificate of origin and value in 6 copies as reuired for imports into Nigeria. 以签署的，连同产地证明和货物价值的，输入尼日利亚的联合发票一式六份
4.beneficiary must certify on the invoice…have been sent to the accountee 受益人须在发票上证明，已将……寄交开证人
5.4% discount should be deducted from total amount of the commercial invoice 商业发票的总金额须扣除4%折扣
6.invoice must be showed: under A/P No.… date of expiry 19th Jan. 1981 发票须表明：根据第……号购买证，满期日为1981年1月19日
7.documents in combined form are not acceptable 不接受联合单据
