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                            Amended North Carolina Individual Income Tax Return
                            File Form D-400X only after you have filed your original return. Generally, Form D-400X must be filed within 3 years after the date the original return was due
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                            Taxes - UNC ISSS
                            North Carolina Form D-400: State income tax return for individuals with U.S. income earned in North Carolina.
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                            Certification Process for Designated Medical Gases
                            20. Section 576 permits any person to file a request for certification of a medical gas as a designated. 21 medical gas for certain indications specified in the
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