A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from a copy of the forum saved in October 2015, so pages it didn't save are missing. Players' names are left out; the rules officials are named. Rulings are as they stood on these dates; later rulings, the rulebooks and the Rules Archive may differ.
A player, 7 June 2015
In this ruling
viewtopic.php?f=59&t=114038
The question was if there were no Oboro in play or in the discard pile but the answer states that Oboro's invest may be used. An invested oboro only gets to shuffle in and conspiracy token other Oboros in play or discard pile, so the question or answer needs a small tweak.
Jon Palmer (rules official), 8 June 2015
In this ruling
viewtopic.php?f=59&t=114038
The question was if there were no Oboro in play or in the discard pile but the answer states that Oboro's invest may be used. An invested oboro only gets to shuffle in and conspiracy token other Oboros in play or discard pile, so the question or answer needs a small tweak.
You're correct. Updated.