1. Taxation of property transactionLike kind exchange sec1031realproperty not for personal use, inventory stock bond, foreign real propertywithin 180 days Involuntary conversion sec 1033gain is not recognized if the same class of property is purchased within the replacement periodpersonal property within 2yrs, real property within 3yrs losses from a related party- 2촌이내, more than 50% SH- losses ..