An elector may appoint an emergency proxy at a poll up to 5pm on polling day in the following circumstances:1
in the case of a medical condition, illness or disability arising after the deadline for ordinary proxy applications
if they are a mental health patient detained under civil powers
if their occupation, service or employment means they cannot go to the polling station in person and they became aware of this after the deadline for ordinary proxy applications
if they meet any of the conditions relating to emergency proxies on the grounds of voter identification after the deadline to apply for a Voter Authority Certificate or Anonymous Elector's Document at UK Parliamentary elections and Police and Crime Commissioner elections.
Emergency proxies on the grounds of voter identification at UK Parliamentary elections or Police and Crime Commissioner elections2
Any applications under this provision must state that it is made on the grounds of voter identification and include which of the acceptable conditions apply to the applicant.
An application made on the grounds of voter identification does not require an attestation.
The grounds of voter identification also enable a change to the person appointed as proxy.3