American High-Income Municipal Bond Fund

10/06/2025 | Press release | Distributed by Public on 10/06/2025 09:19

Prospectus Certification by Investment Company (Form 497J)

October 6, 2025

Document Control

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Re: American High-Income Municipal Bond Fund

File Nos. 033-80630 and 811-08576

Dear Sir or Madam:

Pursuant to Rule 497(j), I hereby certify that no changes have been made to the forms of prospectus and Statement of Additional Information since the electronic filing on September 30, 2025 of Registrant's Post-Effective Amendment No. 55 under the Securities Act of 1933 and Amendment No. 57 under the Investment Company Act of 1940, both as amended.

Sincerely,

/s/Courtney R. Taylor

Courtney R. Taylor

Secretary

American High-Income Municipal Bond Fund published this content on October 06, 2025, and is solely responsible for the information contained herein. Distributed via SEC EDGAR on October 06, 2025 at 15:19 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]