This means that anybody can start to speak Europanto immediately; on the other hand, it is the speaker's responsibility to draw on an assumed common vocabulary and grammar to communicate.
Marani wrote regular newspaper columns about the language and published a novel (Las Adventures des Inspector Cabillot) using it.
The ISO 639-3 standard draft used to have the code eur for this constructed language, but it was retired on 16 January 2009, with the reason “Nonexistent”.
[1] For this reason, it is also not a valid language subtag for BCP 47 as it was not registered in the IANA Language Subtags Registry (waiting for a decision for the deletion request that was initiated in 2008, but also because ISO 639-3 was still a draft, as well as RFC 5646 which was still not published to allow importing standard ISO 639-3 codes in this registry on 29 July 2009).
Europanto ist uno melangio van de meer importantes europese linguas mit also eine poquito van andere europese linguas, sommige latinus, sommige old grec.