如果是公司行號用的發票就必須打上統一編號，統一編號英文是 tax ID number 或 Government Uniform Invoice number，簡稱 GUI number，外國公司不叫做統一編號，而是一組的公司識別碼，英文是 Employer Identification Number，簡稱 EIN，也有這種 Federal Employer Identification Number, 簡稱 FEIN 的用法。
發票英文造句練習
No matter what you buy anything, you should obtain the invoice.無論購買任何東西都應該要索取發票。
I used to donate invoice to public interest groups.
我習慣把發票捐贈給公益團體。
Taiwan invoice can check numbers, is it very powerful?
台灣的發票可以對獎的，是不是很厲害呢？
Mother every month to collect a lot of invoices.
媽媽每個月都會收集非常多的發票。
The company invoices is very important, can't be lost.
公司的發票非常重要，不能弄丟。
Since the introduction of electronic invoice, it's saving a lot of paper waste.
自從電子發票推出以後，節省了 許多紙張的浪費。
Electronic invoice have many advantages which traditional invoice haven't.
電子發票有許多傳統發票沒有的優點。
The company's invoices must marked with uniform number.
公司的發票都必須打統一編號。