Regulation 3, Paragraph 12:

In cases of imminent destruction, a Starfleet captain is hereby authorized to employ all necessary measures deemed justifiable to preserve the lives of their crew.

Regulation 7, Paragraph 4:

An officer must consider themselves detained and under arrest unless satisfactory answers to charges are provided to the senior-most officers present.

Regulation 15:

No Starfleet officer shall transfer weapons to foreign races without the explicit approval of the Federation Council.

Regulation 17, Article 12:

Genetically modified individuals are strictly prohibited from serving within Starfleet ranks.

Regulation 19, Section C:

An officer is authorized to assume command of a starship under any of the following conditions: (1) imminent threat detection; (2) imminent risk to Federation citizens; (3) absence of higher-ranking officers to address the threat.

Regulation 25:

Starfleet officers are prohibited from transferring weapons to foreign entities without Federation Council authorization.

Regulation 25, Section B:

All personal logs shall remain sealed and confidential unless ordered otherwise by Starfleet Command.

Regulation 46A:

In situations where communications are compromised or monitored, no uncoded transmissions shall be sent over open channels.

Regulation 76:

Under no circumstances shall a phaser be aimed at a fellow Starfleet officer without justified and authorized cause.

Regulation 121, Section A:

The chief medical officer has the power to relieve an officer or crewman of his or her duties (including one of superior rank) if, in the CMO's professional judgment, the individual is medically unfit, compromised by an alien intelligence, or otherwise exhibits behavior that indicates seriously impaired judgment. A Starfleet officer can face court martial for failing to submit to such a relief.

Regulation 121, Section B:

The Chief Medical Officer will require a full examination of any crew member that he has doubts about, including the captain.

Regulation 122:

All research personnel on alien planets are required to have their health certified by a starship surgeon at one-year intervals.

Regulation 157, Section 3, Paragraph 18:

Starfleet personnel are required to take all necessary precautions to avoid influencing historical events.

Regulation 191, Article 14:

In multi-ship combat scenarios, command authority shall default to the vessel with tactical superiority in the absence of a senior officer.

Regulation 208, Paragraph 2:

An active captain retains the authority to override the directives issued by other officers.

Regulation 256, Section 15:

All Starfleet officers shall conduct themselves in a manner that exemplifies the behavior expected of an officer at all times.

Regulation 498:

Starfleet officers are forbidden from transferring weaponry to foreign races without formal approval from the Federation Council.

Regulation 619:

A commanding officer must relieve themselves of duty if they are deemed emotionally compromised and unable to make rational decisions regarding mission conduct.

Regulation 756:

Starfleet officers shall not transfer weaponry to foreign entities without express Federation Council consent.

Regulation 2884, Section 3:

Substances deemed unstable in an oxygen-rich environment shall be handled with extreme caution and containment measures.

Regulation 3287:

All antimatter must be stored within magnetic confinement pods due to its volatile nature.

Regulation 4563:

Nothing shall be beamed aboard until danger of contamination has been eliminated. Beaming down to the surface (of a planet) is permitted, if the captain decides the mission is vital, and reasonably free of danger.

Regulation 13982:

In wartime, a Starfleet captain holds the authority to conscript civilians or personnel as necessary for mission success.

Regulation 614617:

The permanent alteration of DNA is strictly prohibited within Starfleet jurisdiction.