Just to let everyone know this is what they have sent through with regards to adding grants into your tax returns.
Grants you received on or before 5 April 2021 need to be included in your 2020-21 Self Assessment tax return, due by 31 January 2022. For most people, this will be the first, second and third SEISS grants.
• Grants you received on or after 6 April 2021 need to be included in your 2021-22 Self Assessment tax return, due to be submitted by 31 October 2022 if a paper return, or 31 January 2023 if an online return. For most people, this will be the fourth and fifth SEISS grants only.