A minority of self-assessment taxpayers will no longer receive blank paper tax returns through the post.
HMRC is to stop automatically sending out these blank copies in an attempt to get more taxpayers using the Revenue's online services.
Last April, HMRC automatically sent out more than 500,000 blank paper tax returns, while more than 10.4 million taxpayers filed their returns online.
From next month, taxpayers who wish to continue using paper returns for 2019/20 will be told HMRC intends to communicate with them digitally.
If these individuals still want to file paper returns by 31 October 2020, they can download a blank version or call the Revenue to request one.
Only 6% of taxpayers submitted their returns on paper in 2018/19.
Angela MacDonald, director-general for customer services at HMRC, said:
"Most customers manage their tax affairs online. It's easy, secure and available 24 hours a day.
"Customers can also sign up for email alerts and online messaging. It doesn't even have to be done all in one go - they can stop, save what they've done, and pick up where they left off later.
"Digitisation remains an HMRC priority but we're still committed to giving taxpayers the ability to choose what's best for them, so those who want to file a paper return can still do so."
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