Here’s his tweet

MJ Biz write

Perhaps his biggest achievement on behalf of the marijuana industry was his role in the creation and passage of the Rohrabacher-Farr Amendment (later renamed Rohrabacher-Blumenauer), a 2014 measure that has helped protect medical cannabis companies across the country from prosecution by the U.S. Department of Justice.

Source:  https://mjbizdaily.com/former-us-rep-rohrabacher-joins-cannabis-firm-budtraders-advisory-board/?utm_medium=email&utm_source=mjbiz_daily&utm_campaign=MJD_20190530_NEWS_Daily%20_05302019

Also read  more at  The Hill

https://thehill.com/business-a-lobbying/446035-ex-congressman-rohrabacher-joins-board-of-cannabis-group