Warm-up filing a tax return is a responsibility that we have as citizens. a tax return is a form the irs uses to learn essential information about us, such as our income and expenses. the irs provides an interactive tool that can help you determine whether you must file a tax return. use this irs information to answer the following question: which piece of information is needed to determine whether you must file a tax return?
1. driver’s license number
2. filing status
3. phone number
4. social security number