The origin of article 19 (b) of the Vienna Conventions can be traced back to paragraph 3 of draft article 37 submitted to the Commission in 1956 by Fitzmaurice:
35. 《维也纳公约》第十九条（乙）款可追溯到Fitzmaurice1956年提交给国际法委员会的第三十七条草案第3款：