E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Agreement Between The Kingdom Of Hungary And The Czechoslovak Republic Concerning The Fixing Of A Uniform General Close Season For Fishing And The Conditions For The Authorization Of Night Fishing In The Czechoslovak Hungarian Frontier Watercourses
Words used to code as Environmental:
water/fish/frontier/watercourse