On 2nd March 2023, the specifications for mandatory qualifications: from 1 September 2023 were published.
“To teach a class of pupils with hearing impairment (HI), vision impairment (VI), or multi-sensory impairment (MSI), a teacher must hold a mandatory qualification. This qualification is required in addition to qualified teacher status.
For specialist teachers of children and young people who are deaf
For specialist teachers of deafblind children and young people
To offer the mandatory qualification in sensory impairment (MQSI), providers must be approved by the Secretary of State.”