The Daily Mirror is reporting that No. 10 has said that all the concession does is give clarity around the timing of the vote and nothing else.
European Union (Notification of Withdrawal) Bill
Proceeding contribution from
Angela C Smith
(Labour)
in the House of Commons on Tuesday, 7 February 2017.
It occurred during Debate on bills
and
Committee of the Whole House (HC) on European Union (Notification of Withdrawal) Bill.
Type
Proceeding contribution
Reference
621 c303 
Session
2016-17
Chamber / Committee
House of Commons chamber
Subjects
Librarians' tools
Timestamp
2017-02-09 10:22:56 +0000
URI
http://hansard.intranet.data.parliament.uk/Commons/2017-02-07/17020781000190
In Indexing
http://indexing.parliament.uk/Content/Edit/1?uri=http://hansard.intranet.data.parliament.uk/Commons/2017-02-07/17020781000190
In Solr
https://search.parliament.uk/claw/solr/?id=http://hansard.intranet.data.parliament.uk/Commons/2017-02-07/17020781000190