NPC question

[Titchou]

From the NPC Manual of Information (MOI), aka the Green Book,:

Requirements for Membership
A women’s fraternity must have been established in its national character for a minimum of 13 years; all of its collegiate chapters must be established in senior colleges and universities authorized to confer bachelor degrees and recognized by the appropriate regional association of colleges and universities; and it must have at least 14 chapters, of which the latest established is at least two years old.