Personal tax rules affect filing status, dependents, income reporting, withholding, refunds, credits, deductions, and the forms attached to an individual return. This collection explains common federal tax questions for employees, families, retirees, investors, gig workers, and other individual taxpayers. Use these guides to understand what belongs on your return, which records support a tax position, how IRS processing can affect a refund, and when an amended return or professional review may be appropriate. Articles focused on specific IRS letters, notices, and transcript codes are organized separately under IRS Notices & Forms.