Registration for withholding tax is required in Michigan using the business' Federal Employer Identification Number (FEIN). You may need to deduct tax from payments you make to nonresident contractors and pay it to Inland Revenue.Yes. Any portion of the foreign income included in adjusted gross income is subject to Michigan tax. The MTC proposal sets a 20work day threshold for nonresident employee withholding and filing requirements. You may qualify to exclude your foreign earnings from income up to an amount that is adjusted annually for inflation. Understand tax requirements when hiring a foreign contractor. Our guide provides essential insights for seamless compliance with international tax laws. This publication will help you determine your status and give you information you will need to file your US tax return. Businesses must file their withholding for 2016 with the City of Detroit. Please fill out the information below for the consumer you are submitting this complaint for.