契税

yī dàn chéng jiāo yīng gāi dāng chǎng jiǎo nà qì shuì bìng jìn xíng gōng zhèng

一旦成交，应该当场缴纳契税，并进行公证。

As soon as a deal is made, stamp duty should be paid on the spot and it should be notarized.