An Incentive Stock Option (ISO) differs from a Nonstatutory Stock Option (NSO) primarily in that:
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A
ISOs must be exercised within 10 years and may generate preferential AMT treatment
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B
NSOs are only available to executives who own more than 10% of company stock
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C
ISOs trigger ordinary income tax at the date of grant
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D
NSOs are exempt from Section 409A compliance requirements