税务局

wǒ zuò wéi gè tǐ hù zài shuì wù jú dēng jì

我作为个体户在税务局登记。

I am registered with the tax office as self-employed.

wǒ zài shuì wù jú yǒu shú rén

我在税务局有熟人。

I've got a useful contact in the tax office.