To make sure you receive it, you should log in to your My Social Security account and select email or text under message center preferences.
If you do not have an online account, you can still receive the COLA notice by signing up now.
The Social Security Administration will also send those notices by mail in December.
All current beneficiaries, including those who receive online notices, should expect to receive paper notices by mail.
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This year, online notices will not be available to individuals who have a foreign address or pay higher Medicare premiums because of their income.
“We plan to expand the availability of COLA notices to additional online customers in the future,” a spokesman for the Social Security Administration said.