Fifth SEISS grant will be open to claims from late July 03 Jun 2021The fifth Self-employment Income Support Scheme (SEISS) grant covering May 2021 to September 2021 will open to claims from late July, HMRC has confirmed. To be eligible for the grant, an individual must be self-employed or a member of a partnership. They must have traded in the tax year 2019/2020 and submitted their tax return on or before 2 March 2021, and also have traded in the tax year 2020/21. The amount of the fifth grant will be determined by how much an individual's turnover has been reduced in the year April 2020 to April 2021. HMRC will provide more information and support by the end of June 2021 to help individuals work out how their turnover was affected. The online claims service for the fifth SEISS grant will be open from late July 2021. In mid-July HMRC will contact individuals who are eligible based on their tax returns to give them a date from which they can make their claim.