Document and Information Type	Marking	Treatment	Access
PUBLIC	None or "Public"	Maintained in Public Reference Room and on eLibrary.	Public has unrestricted access in public reference room and on eLibrary.
CEII (NONPUBLIC) Information about proposed or existing critical infrastructure that: (1) is exempt from disclosure under FOIA, (2) relates to the production, generation, transportation, transmission or distribution of energy, (3) could be useful to a person planning an attack on the infrastructure, and (4) does not simply give the location of the critical infrastructure. Does not include NIP detailed above.	"Contains Critical Energy Infrastructure Information - Do Not Release"	Not available in Public Reference Room; indexed item in eLibrary, but no public access to image.	Public may file a CEII request under 18 C.F.R. §388.113 or a FOIA request under 18 C.F.R. §388.108. Note: absent a waiver from the Commission, natural gas pipelines and public utilities are still required to comply with the Commission regulations that may require that CEII be available in county public reading rooms or from companies upon request, as appropriate.
PRIVILEGED (OTHER NONPUBLIC) This is usually confidential business information or cultural resource reports submitted under 18 C.F.R. §388.112.	"Contains Privileged Information - Do Not Release"	Not maintained in Public Reference Room or on eLibrary except as an indexed item (i.e., no public eLibrary image).	Public may file FOIA request under 18 C.F.R. §388.108.