This is a critical question. These are the firm events that will cause inclusion of the deferred gain. The sale of interest in the fund prior to Dec. 31, 2016. Gifting your interest in an opportunity zone fund to another person. (Inheriting an interest upon death does not create an inclusion). Pledging your interest in an Opportunity Zone fund to a loan. (This is similar to the rules for IRAs pledged as a loan). Various restructure events of an OZ business owned by the Opportunity Zone fund could cause an inclusion event. These are too numerous to list. In general, if a restructure would create an implied disposition of interest and recognition of gain out side of an OZ fund, it will likely create a an inclusion of deferred gain from the fund.