A combination of a federal holiday only celebrated in the nation’s capital and tax day falling on a weekend results in giving local taxpayers a few extra days to file their annual federal income tax forms.Filers now have until Tuesday to mail off those income tax forms to the Internal Revenue Service (IRS).April 15 is traditionally the usual deadline for taxpayers to mail off their yearly tax forms.The deadline falls this year on a Saturday, a weekend date when post offices and federal agencies throughout the nation are closed. That’s at least one weekend day taxpayers can use to get ...