It depends. If it is on a W2 from MO, then yes, it would be considered taxable income from a MO source for a non-resident.
If it was not part of the W-2 from MO, then no, it would not be taxable income as it would not be considered MO source income.
Basically, federally taxable group term life insurance is not one of the adjustments to income that MO offers.
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