https://www.nar.org/wp-content/uploads/2014/05/California-Modroc-Regs.pdf
(4) Pyrotechnic Operator--Rockets First Cl
ass may conduct and is restricted to all
activities in connection with
research experiments, production, transportation, fuel
loading and launching of all types of experime
ntal rockets. Such ope
rator shall also be
responsible for the actions
and conduct of all assistants. Operators licensed under
subsection (b) are also required to obtain
a local permit from the authority having
jurisdiction prior to all launches.
(5) Pyrotechnic Operator--Rockets Second Cl
ass may conduct and is restricted to all
activities in connection with
research experiments, production, transportation, fuel
loading and launching of all types of solid fu
el experimental rockets only. Such operator
shall also be responsible for th
e actions and conduct of all as
sistants. Operators licensed
under subsection (b) are also required to obt
ain a local permit from the authority having
jurisdiction prior to all launches.
(6) Pyrotechnic Operator--Rockets Third Class
may purchase, transport, store, and launch
high power rockets. Experimental high power rocket motors may only be imported,
exported, and wholesaled by indi
viduals or companies holdi
ng valid import, export, or
wholesale licenses. Pyrotechnic Operators-
-Third Class may only purchase high powered
rocket motors from licensed wholesalers.