P9 daily and P9B bulk issue

P9 daily notices advise tax codes for the new tax year starting on 6 April and can be amendments to P9 bulk issue. They are produced daily from March to 5 April, after the 2nd bulk issue of P9s and should be used on the 1st pay day in the new tax year.

P9 bulk issue notices are produced in 2 annual bulk issues in February and March. They advise tax codes for the new tax year starting on 6 April and should be used on the first pay day in the new tax year.