Michigan Compiled Laws

Mich. Comp. Laws § 141.614 (2026)

Excise tax on incomes; taxable net profits of a corporation, definition.

✓ current as of July 2026
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CITY INCOME TAX ACT


Act 284 of 1964


141.614 Excise tax on incomes; taxable net profits of a corporation, definition.

Sec. 14.

    The tax shall apply on the taxable net profits of a corporation doing business in the city, being levied on such part of the taxable net profits as is earned by the corporation as a result of work done, services rendered and other business activities conducted in the city, as determined in accordance with this ordinance. "Taxable net profits of a corporation" means federal taxable income as defined in section 63 of the federal internal revenue code but taking into consideration all exclusions and adjustments provided in this ordinance. No deduction shall be allowed for:

    (a) Net operating losses and net capital losses sustained prior to the effective date of the tax.

    (b) The city income tax imposed by this ordinance.

    A corporation may deduct income, war profits and excess profits taxes, imposed by a foreign country or possession of the United States, allocable to income included in taxable net income, any part of which would be allowable as a deduction in determining federal taxable income under the applicable provisions of the federal internal revenue code.

History: 1964, Act 284, Imd. Eff. June 12, 1964

Notes of Decisions
Cited in 3 cases, 2018–2020 · leading case: Apex Labs. Int'l Inc v. City of Detroit (Mich. Ct. App. 2018).
Apex Labs. Int'l Inc v. City of Detroit (Mich. Ct. App. 2018). · cites it 4× “” MCL 141.614. The Tribunal further noted that the act defines “doing business” as “the conduct of any activity with the object of gain or benefit” except for certain activities related to the solicitation of orders for the sale of tangible property or the storage of personal…”
Apex Labs. Int'l Inc v. City of Detroit (Mich. Ct. App. 2018). · cites it 4× “” MCL 141.614. The Tribunal further noted that the act defines “doing business” as “the conduct of any activity with the object of gain or benefit” except for certain activities related to the solicitation of orders for the sale of tangible property or the storage of personal…”
Honigman Miller Schwartz & Cohn LLP v. City of Detroit (Mich. 2020). · cites it 2× “” MCL 141.614 (emphasis added). In other words, for these categories of taxpayers, the tax only applies where the profit-earning business activity takes place in the city.”
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