Related article - Check your Tax Code for 2019/20
If you are in employment or receive pension income, you may have received a 2019/20 PAYE coding notice from HMRC.
PAYE coding notices come in the form of a letter received by post or uploaded to your personal Self Assessment account with HMRC. They notify you of the PAYE code to be operated against your income and it is of course vital that you check your code is correct to ensure you do not pay too much or too little tax. This can often happen if you have more than one source of income.Read more here