We offer several ways for you to obtain Maryland tax forms, booklets and instructions: You must file your Maryland Amended Form 502X electronically to claim, or change information related to, business income tax credits from Form 500CR.You generally have 30 days to respond to an IRS notice, so there's no reason to ignore it. Always check which tax year the notice relates to. Use these instructions and the April 2024 revision of Form 941-X for all years for which the period of limitations on corrections hasn't expired. We have provided sample letters that you can use to request waivers of several different types of IRS penalties. The IRS may send a taxpayer or business a letter or notice, including needing additional information, notice of an audit, or an unpaid tax bill. How can I correct the spelling of my name with the IRS? Taxpayers need to sign Form 3870 only when they have not already provided a signed written request for reconsideration. In addition, if the business has disposed of or transferred assets into or out of Maryland during the prior year, please complete.