The Electoral Commission said that so far, it had found 3,462 ineligible electors but none of their votes would be counted even if submitted.
The commission said the error was down to software used by some local authorities in England and Wales.
Also Read
"The software provider has resolved the issue which means that, if any postal votes have been issued to these electors, they will be cancelled," the commission said.
"None of these electors will be shown as eligible on the electoral registers to be used at polling stations."
Some citizens of other European Union countries can vote in the June 23 referendum on whether Britain should stay in the bloc or leave.
British, Irish and Commonwealth citizens aged 18 or over and resident in the UK or Gibraltar, plus Britons abroad who have lived in the UK in the the last 15 years, can cast their vote.
Therefore Irish, Cypriot and Maltese citizens are the only non-British EU citizens who can have their say in the referendum.
The Electoral Commission is an independent body set up by parliament to regulate party and election finance.
It sets standards for well-run elections and is responsible for the conduct and regulation of referendums.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
)