What Happens If I Fail to Pay Withholding Tax on Time? 

If the payer (tax resident) does not remit the withholding tax on time, they will face a 10% penalty based on the total unpaid withholding tax amount.

如果我没有按时缴付预扣税会有什么惩罚？

若付款人（税务居民）没有按时缴付预扣税，将面临10%的罚款（根据未缴付预扣税的总额）。