22 January has been earmarked by the IRS as the official beginning of the 2023 tax filing season. Being just over a week away many will be wondering the other significant dates in the tax calendar.

Filers will have nearly three full months for which to file their taxes with the deadline on 15 April. However, it is not worth leaving it late as the sooner you file your taxes, the sooner the IRS can process your refund, if that is what you are owed.Here is a list of the crucial dates you need to put in your diary for 2024. The crucial date, the closing of the filing season, has been marked in italics. Certainly one to put on the calendar.Important dates for tax season 2023

• Late January: IRS begins 2024 tax season and starts accepting and processing individual 2023 tax returns (full date has not been released.
• 15 April: National due date to file a 2023 tax return or request an extension and pay tax owed
• 17 June: Tax deadline for Americans living abroad
• July: Deadline to claim 2020 tax refund 
• 15 October: Due date to file for those requesting an extension on their 2023 tax returns.