Confusingly, the annual tax return does not supersede an existing monthly requirement to report and pay tax on non-taxed income if total earnings exceed a certain threshold.

复杂的是，这一新政策并不代替个人收入如果超过一定数额，那么就要每月报告并对非税收入缴税的已有政策。

youdao

Last week, they organized protests around the country on tax day - the deadline for Americans to report their annual income and pay any taxes due.

VOA: standard.2009.04.20

Confusingly, the annual tax return does not supersede an existing monthly requirement to report and pay tax on non-taxed income if total earnings exceed a certain threshold.

ECONOMIST: China's tax system: Return to sender | The