Liu: Hello, we want to claim our business tax for one technical service contract and get the formal invoice. Would you please tell me which materials should be submitted?

Officer: Ok. Take with your contract, fill out the business tax claim form, and we'll audit these materials. If no problem, then we 'll issue the formal invoice to you.

刘：你好， 我们想为一份技术服务合同申报营业税，并且取得发票。请问我们要准备哪些材料？

税务局官员：好的。请带上你的合同，并且填好营业税申报表， 然后我们会进行审查。如果没有问题，我们会尽快签发正式的发票给你。