Bradford Council is warning people they need to be registered in order to take part in the European Union referendum on Thursday, 23 June.
Anyone who isn’t registered by Tuesday, 7 June won't be able to participate in the referendum to decide on whether Britain will remain in or leave the EU.
People who are already registered do not need to take any action. For example, if you were registered for the recent local council and West Yorkshire Police & Crime Commissioner elections you are already registered for the referendum.
However, every year a small number of people are turned away at the polling station because they haven't registered to vote and are not on the Electoral Register.
The Council is urging residents not to leave registration to the last minute.
Bradford district's Returning Officer, Kersten England, said: "It's difficult to overstate the importance of taking part in this year's EU referendum. It is considered to be one of the most important decisions to face Britain in decades.
"The decision will have significant and wide reaching implications for everyone living in the UK.
"I encourage anyone who isn't currently registered to vote to do so as soon as possible.”