Is it not the case that this has not been piloted before a general election? The Electoral Commission specifically says that there should be a pilot before it is ruled out for a general election.
Elections Bill
Proceeding contribution from
Lord Scriven
(Liberal Democrat)
in the House of Lords on Monday, 21 March 2022.
It occurred during Committee of the Whole House (HL)
and
Debate on bills on Elections Bill.
Type
Proceeding contribution
Reference
820 c676 
Session
2021-22
Chamber / Committee
House of Lords chamber
Librarians' tools
Timestamp
2022-04-29 14:28:40 +0100
URI
http://hansard.intranet.data.parliament.uk/Lords/2022-03-21/22032117000075
In Indexing
http://indexing.parliament.uk/Content/Edit/1?uri=http://hansard.intranet.data.parliament.uk/Lords/2022-03-21/22032117000075
In Solr
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