When the new laws are written, the book is revealed to be written in Interlac, which is the galactic universal language used by the 30th and 31st Century United Planets and Legion of Super-Heroes.
He had learned to comprehend galactic languages, but he had never tried to translate into them.
That was Esperanto, the galactic language, the simple, second language that everyone learns early and speaks like a native.
It was still too difficult for six aliens who spoke six different native tongues and had been communicating in a galactic language to have shifted once more to another language utterly foreign and alien to them, to be certain just what the thought processes in English would produce in the way of facial expression.
It presumed discretion: one would not broadcast indiscriminately in galactic language from a planet under interdiction.
It'll be galactic languages, then.