If related parties complete a qualified like-kind exchange, how long must the parties wait before disposing of the property exchanged to insure that any realized gain on the transfer is not recognized? No waiting. 30 days. 6 months. 1 year. 2 years. Solution Answer : Option E (2 years) The related parties must wait for not less than 2 years befor disposing of the property exchanged to insure no realized gain on transfer is recognized..