HMRC has published a policy paper covering the fifth SEISS grant;
more detailed guidance will soon be available but the amount ( to cover the period May 2021 to September 2021) will be determined by how much turnover has been reduced in the 2020/21 year
| 30% or more reduction
||80% of 3 months’ average trading profits
|Less than 30% reduction
||30% of 3 months’ average trading profits
The HMRC online claim service will be available from late July 2021.