The Internal Revenue Service is looking for Hawai'i taxpayers who are due more than 2,000 economic stimulus checks totaling more than $1.2 million and 747 regular refund checks totaling more than $900,000 that were returned by the U.S. Postal Service due to mailing address errors.

The IRS is urging taxpayers who may be due a stimulus check to update their addresses with the IRS by Nov. 28. By law, economic stimulus checks must be sent out by Dec. 31 of this year. The undeliverable economic stimulus checks for Hawai'i taxpayers average $633.

For more information visit the IRS Web site, IRS.gov, or call 866-234-2942.