1.signed commercial invoice 已簽署的商業發票

in duplicate 一式兩份

in triplicate 一式三份

in quadruplicate 一式四份
報關員
in quintuplicate 一式五份

in sextuplicate 一式六份

in septuplicate 一式七份

in octuplicate 一式八份

in nonuplicate 一式九份

in decuplicate 一式十份

2.beneficiarys 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. 以買方的名義開具、注明商品名稱、原產國及其他有關資料，并經簽署的受益人的商業發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. 以簽署的，連同產地證明和貨物價值的，輸入尼日利亞的聯合發票一式六份

4.beneficiary must certify on the invoice…have been sent to the accountee 受益人須在發票上證明，已將……寄交開證人

5.4% discount should be deducted from total amount of the commercial invoice 商業發票的總金額須扣除4%折扣

6.invoice must be showed: under A/P No.… date of expiry 19th Jan. 1981 發票須表明：根據第……號購買證，滿期日為1981年1月19日

7.documents in combined form are not acceptable 不接受聯合單據

8.combined invoice is not acceptable 不接受聯合發票