02/20/2026

ARRL The National Association for Amateur Radio¨ÿreports that the Federal Communications Commission (FCC) adopted changes to its rules to require that every holder of an FCC Registration Number (FRN) update their contact information in theÿCORES[1]ÿsystem (email and postal addresses) within ten business days of a change.ÿ

Because every FCC licensee-including amateur radio operators-must have an FRN to file applications, this requirement applies to all licensed amateurs. FRN contact information is handled separately and apart from contact information related to a license in theÿLicense Manager System[2]. Both records must be kept up-to-date, and each requires a separate update.

Until now, no specific deadline existed for updating FRN or license contact information. Instead, the amateur rules at sections 97.21 and 97.23 provide that a license may be suspended or revoked "if FCC correspondence is returned as undeliverable because of an incorrect address/email." These provisions remain in effect as well as the 10-day deadline applicable to FRN information.ÿ

If your FRN information is current and has not changed, no immediate action is required, but you must adhere to the 10-day rule for future changes. It is recommended to periodically check both theÿCORES[3]ÿandÿLicense Manager System[4]s to ensure contact information is accurate, even if no changes have occurred.

The new deadline (section 1.8002(b)(2) of the Commission's Rules) became effective on February 5 as part of a proceeding that was limited to further constraining robocalls. Although the proceeding focused on robocall issues, the 10-day update requirement applies broadly to all FRN holders. On February 6 the FCC confirmed in a Public Notice that the new deadline applies to all FRN holders.ÿThe amendment replaces language adopted in 2001 that required FRN holders to keep their contact information up-to-date but had not imposed a deadline for doing so.ÿ

Numerous requests for clarification from non-robocaller interests led the FCC to issue aÿPublic Notice on February 6[5]ÿ(see also PDF[6]) clarifying that fines imposed on those subject to the robocall rules for not keeping contact information up-to-date do NOT apply to licensees such as radio amateurs, but that the 10-day deadline does apply to all FRN holders.

See the following resources for updating FRN and license information.

FCC Tutorial on updating FRN information: https://apps.fcc.gov/cores/html/Update_FRN_Information.htm[7]

ARRL information on how to update license information: https://www.arrl.org/call-sign-renewals-or-changes[8]





For assistance, call the FCC FRN Help Desk:ÿ(877) 480-3201ÿ(available 8 AM to 6 PM ET).


[1] https://apps.fcc.gov/cores/userLogin.do
[2] https://wireless2.fcc.gov/UlsEntry/licManager/login.jsp
[3] https://apps.fcc.gov/cores/userLogin.do
[4] https://wireless2.fcc.gov/UlsEntry/licManager/login.jsp
[5] https://www.fcc.gov/document/wcb-reminds-rmd-filers-new-base-forfeitures [6] https://docs.fcc.gov/public/attachments/DA-26-133A1.pdf
[7] https://apps.fcc.gov/cores/html/Update_FRN_Information.htm
[8] https://www.arrl.org/call-sign-renewals-or-changes
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