I am building a deck, what height must my deck railing be?

Deck railings must be a minimum of 36” high, and handrails on deck stairs must be between 34” and 38” from the edge of the nosing of the stair tread. All handrails will be graspable, and will follow the guidelines established in the NFPA. (NFPA-101 2006 7.2.2).