Minn. Stat. § 289A.09
Subd. 1. Returns.
Subd. 2. Withholding statement.
(a) A person required to deduct and withhold from an employee a tax under section 290.92, subdivision 2a or 3, or 290.923, subdivision 2, or who would have been required to deduct and withhold a tax under section 290.92, subdivision 2a or 3, or persons required to withhold tax under section 290.923, subdivision 2, determined without regard to section 290.92, subdivision 19, if the employee or payee had claimed no more than one withholding allowance, or who paid wages or made payments not subject to withholding under section 290.92, subdivision 2a or 3, or 290.923, subdivision 2, to an employee or person receiving royalty payments in excess of $600, or who has entered into a voluntary withholding agreement with a payee under section 290.92, subdivision 20, must give every employee or person receiving royalty payments in respect to the remuneration paid by the person to the employee or person receiving royalty payments during the calendar year, on or before January 31 of the succeeding year, or, if employment is terminated before the close of the calendar year, within 30 days after the date of receipt of a written request from the employee if the 30-day period ends before January 31, a written statement showing the following:
Subd. 3. Federal annuities; tax withholding request.
The commissioner of revenue shall participate with the United States Office of Personnel Management in a program of voluntary state income tax withholding on the federal annuities of retired federal employees. Upon the request of the taxpayer to the commissioner of revenue, and only on request of the taxpayer, the commissioner shall provide for state income tax withholding on federal annuities paid to the taxpayer.