One is to apply for tax refund. You should fill out a form to apply for tax refund, including payroll, materials, vouchers for making accounts at that time and taxes, and hand it over to your tax administrator for handling. You will receive the tax refund in about 2-3 months.

The other is deducted in future declarations. This method is generally recommended by tax authorities. But if the amount is relatively large and cannot be deducted within one year, don't use this method.

Actually, I applied for tax refund on 20 10, and it took me five months.