E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Additional Protocol No 4 To The Revised Convention On The Navigation Of The Rhine (Ce protocole a cessé d’être en vigueur le 31.12.1999 en vertu de son article II. (mesures d'assainissement structurel))
Words used to code as Environmental:
navigat/revised convention on the navigation of the rhine