General Discussion

A complete list of the North American industrial codes (naics Codes). Know your industry.

https://www.census.gov/naics/

transactions between partners

https://www.law.cornell.edu/uscode/text/26/707

Form 8606

https://www.irs.gov/forms-pubs/about-form-8606

Like-Kind Exchange

https://www.irs.gov/businesses/small-businesses-self-employed/like-kind-exchanges-real-estate-tax-tips

Self employment tax

https://www.irs.gov/taxtopics/tc554