If you need help completing this form, call 518‑457‑5181. Duration of withholding request.Find account applications and maintenance forms for accounts and products. Complete Form W-4R to have payers withhold the correct amount of federal income tax from your nonperiodic payment or eligible rollover distribution from an. Before you get started. (213) 974-8658. lunes-viernes. Find the fund-specific tax information you'll need to help you complete IRS tax documents, including important information on account-specific tax forms. Submit a request to pay taxes on your Social Security benefit throughout the year instead of paying a large bill at tax time. File Form 502CR with your Maryland income tax return,.