In February 2017 a draft Executive Order was leaked regarding presidential suspension of the US Conflict Minerals rule. Even if this executive order is passed, it should not affect the 2016 current reporting year, for which the Conflict Minerals Report is due for issuers  on June 1st, 2017.  

To read the draft executive order click here: https://www.documentcloud.org/documents/3457048-Document-Final.html