Sept 22 (Reuters) - Rayonier Advanced Materials Inc RYAM.N
* Rayonier Advanced Materials Inc and Tembec provide update on transaction
* Rayonier Advanced Materials Inc - expected that transaction with Tembec will be completed in second half of Q4 of 2017
* Rayonier Advanced Materials Inc - approval of acquisition by co of Tembec under Investment Canada Act no longer required as a closing condition of deal