This includes defined benefit pensions, IRA distributions, and most payments from defined contribution plans. You may also use this form to choose not to have any Michigan income tax withheld from your payment(s).11380R. Form 1042-S (2016). TaxAct automatically transfers the taxable social security benefits from the federal return to the Michigan return (Line 14 of Michigan Schedule 1). Married couples filing a joint return should complete Form 4884 based on the year of birth of the older spouse. Fill out Schedule W (if applicable). This is how W-2 and 1099 form Information is reported. 6. Taxpayers must complete Form 4884. Monthly Pension Beneficiary Application. Participant. F-35b. Use this form to sign up for direct deposit or to make changes to your current designations.