Starfleet Regulations

'Captain Ransom attempted to use this regulation to convince Captain Janeway that the actions he took against the Ankarian nucleogenic creatures were justified, but Captain Janeway doubted that the regulation covered mass murder.  This regulation was actually a fictional regulation made up by Jean-Luc Picard to allow Beverly Crusher to beam down to Aldea with him. '
 * Regulation 3 (Paragraph 12): In     the event of imminent destruction, a Starfleet Captain is authorized to      preserve the lives of his crew by any justifiable means. (VOYAGER:      "Equinox, Part I".) 
 * Regulation 6.57: At least two     staff officers to be present during any treaty      or contract negotiations. (TNG: "When the Bough Breaks") 
 * Regulation 7 (Paragraph 4): An     officer must consider himself under arrest, unless in the presence of the      most senior fellow officers presently available, the officers must give      satisfactory answer to those charges... (TOS: "The Omega Glory")      
 * Regulation 42/15:     "Pressure Variances in IRC Tank Storage" Part of the basic      operational specifications for impulse engines, cited by Geordi La Forge. Written by Montgomery Scott, who told him to ignore      it, saying: "A good engineer is always a wee bit conservative... at      least on paper." (TNG: "Relics") 
 * Regulation 46A: If     transmissions are being monitored during battle, no encoded messages on an      open channel. (Star Trek II: The Wrath of Khan)      
 * Regulation 157, Section 3     (Paragraph 18): Starfleet officers shall take all necessary precautions to      minimize any participation in historical events. (DS9:      "Trials and Tribble-ations") 
 * Regulation 191 (Article 14): In     a combat situation involving more than one ship, command falls to the      vessel with tactical superiority. (VOYAGER: "Equinox, Part I") 
 * Regulation 2884.3: Substances     unstable in an oxygen atmosphere      must be handled with care. (TNG: "Night Terrors") 
 * Regulation 3287.0: Due to its     high volatile nature, antimatter must be stored in magnetic confinement pods. (TNG:      "Night Terrors")