The Form 1040-X for tax amendments has a different IRS mailing address compared to your original return. Check the instructions for other tax forms, as they often have their specific mailing address for IRS returns listed on the informational pages. If you move and need to update your mailing...
Tax Mail tips: Apply proper postage and stamps, especially with extra forms/schedules. It costs 44 cents for the first ounce; 17 cents for each additional ounce. One ounce is about four pages. If you use a non-IRS labeled envelope, make sure you print the proper IRS address. Customers w...