MCL 211.9d — Computer software exempt from taxation; construction of section; “computer software” defined

(1) Computer software is exempt from taxation under this act unless either of the following is true:
(a) The software is incorporated as a permanent component of a computer, machine, piece of equipment, or device, or of real property, and the software is not commonly available separately.
(b) The cost of the software is included as part of the cost of a computer, machine, piece of equipment, or device, or of the cost of real property on the books or records of the taxpayer.
(2) This section shall not be construed to affect the value of a machine, device, piece of equipment, or computer, or the value of real property, or to affect the taxable status of any other property subject to tax under this act.
(3) As used in this section, "computer software" means a set of statements or instructions that when incorporated in a machine-usable medium is capable of causing a machine or device having information processing capabilities to indicate, perform, or achieve a particular function, task, or result.