If you still have an old £10 note in your wallet, it's time to spend it.
The old £10 notes have been in circulation since November 2000, but lost out to the new ones on grounds of security as well as durability.
After that date, only the new polymer £10 notes will be legal tender.
But the Bank of England (BoE) has confirmed it will withdraw legal tender status of the old Darwin note at 23.59pm on Thursday 1 March 2018, as it continues to remove these notes from circulation.
A portrait of Austen is on the back of the polymer note, accompanied by a line from her best-known work, Pride and Prejudice: "I declare after all there is no enjoyment like reading!"
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Barring any unforeseen mishap, the survey results will be published on by the ABS on 15 November 2017 . No notice has yet been given for the Paterson bill.
Old notes can still be spent ahead of this date and you can exchange them at the Bank once this point has passed.
Paper bank notes - £5, £10 and £20 - are slowly being replaced by plastic notes, which are more secure and harder to counterfeit, more resistant to dirt and more durable.
But the new notes have not been introduced without problems after vegans, Hindus and Sikhs complained they contain tallow, a substance derived from animal fat.
In Scotland, polymer notes have been in circulation since 2015, while the first plastic notes were issued in Northern Ireland in 1999.