Page 345 - Large Business IRS Training Guides
P. 345
Aggregation Requirements
An individual or entity that chooses to aggregate its
trades or businesses must demonstrate that:
1. The same person or group of persons owns 50%
or more of each business to be aggregated for a
majority of the year, including the last day of the
taxable year.
2. Each business to be aggregated has the same
taxable year.
3. None of the businesses to be aggregated are an
SSTB.
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