On Thursday 18 September, voters in Scotland will be asked the question, "Should Scotland be an independent country?"
With just a few weeks to go until the referendum takes place, here are some key facts about the vote.
Who can vote in Scotland's independence referendum?
British, Irish and all other European Union citizens who reside in Scotland
Commonwealth citizens who are resident in Scotland and have leave to remain in the UK or do not require such leave
Members of the House of Lords resident in Scotland
Service personnel serving with the armed forces, in the UK or overseas, who are registered to vote in Scotland
Crown personnel serving outside the UK with the Government who are registered to vote in Scotland
For the first time in the UK, people aged 16 and 17 are eligible to vote.
Who is not eligible to vote?
You must be registered to vote in Scotland in order to take part
Prisoners who have been convicted and sentenced are not able to vote
How can I cast my vote
You can vote person at a polling station - your polling card will have the address
By post - send your ballot through the mail after registering
By proxy - allow someone to vote on your behalf
You can vote by proxy if:
You are unable to go to the polling station e.g. you are on holiday
You have a physical condition which means you cannot get there
Your employment means you cannot go to the polling station on the day
Your attendance on an educational course means you cannot be there
You are a crown servant or a member of the armed forces overseas
If you fall ill on election day you can apply for an emergency proxy vote
Key dates in Scotland's independence referendum
You must be registered to vote by 2 September to vote in the referendum
Postal vote applications must be received by 5pm on 3 September
If you wish to vote by proxy you need to fill in an application form and have it arrive by 5pm on 3 September
You can apply for an emergency proxy vote until 5pm on 18 September
Postal votes must be received by 10pm on 18 September
What happens after the referendum?
If more people vote Yes than No, Scotland would become an independent country.
If more people vote No than Yes, Scotland would remain part of the United Kingdom.
Source: The Electoral Commission