GU | The Guam Department of Revenue & Taxation (DRT) announced that the 2022 income tax filing season began on Monday, January 24, 2022. This is the date that DRT began accepting 2021 tax year returns and is in line with the date that the Internal Revenue Service (IRS) also began the nation’s tax season. The due date for filing of returns is Monday, April 18, 2022.
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