Witholding Tax Section, P.O. Box 327480, Montgomery, AL. 36132-7480. Part 1 – Complete this part to calculate your withholding allowances for New York State and Yonkers (line 1 of Form IT-2104).Complete Maryland Form MW507, Employee's Maryland Withholding Exemption Certificate. Forms are available for downloading in the Employer Withholding Forms section below. Booklet, Title, Description. Before making any entries, see the Note below, and if applicable, complete the worksheet in the instructions. Forms and Other Information. The License and Revenue Division assists businesses in the City of Montgomery when issuing and maintaining appropriate business licenses and sales tax numbers. This may result in the wrong amount of tax withheld for New York State, New York City, and Yonkers. How often to submit Form IT-2104 to your employer.