A "referendum bill" is a proposed law that allows citizens to vote directly on a specific issue or decision. It is a way for the public to express their opinion and make a collective choice. Full definition
Any future referendum bill on any subject has to make sure that it is given those powers, otherwise you're guaranteed a dirty campaign. (liberalconspiracy.org)
Yes, those in the hall will have heard the announcement of a second referendum bill but they may have missed the bigger picture. (totalpolitics.com)
However, Glyn Davies, a Eurosceptic, told Vaughan Roderick on Sunday Supplement on BBC Radio Wales he would vote against any amendment expressing regret that there was no EU referendum Bill in last week's the Queen's Speech. (bbc.com)