Tax official:it depends on different taxes.for business tax, it is due within the first10days of the following month.but for individual income tax, it is within the first7days.if the deadline fall in the vacation or holiday, it can be put off in turn.

• 税务局：因税种不同而不同。比如营业税是次月十日内，而个人所得税则是七日内。不过期限的最后一日如果是节假日，可以顺延。