After reaching the highest rank within the Black Market and becoming a full member, it doesn't really make sense that guards will try to kill you due to a stray ICX shot. NPCs of all factions are willing to tolerate a bit of accidental weapons fire from their factionmates, after all.

george moromisato 23 Mar 2020:

In 1.9 Beta 1, the Black Market becomes friendly when you reach level 3 (Enforcer).