Answer:
Gibb's Rules -(The most important rules you'll ever learn!)- :
Rule #1: Never let suspects stay together.
Rule #1: Never screw over your partner.
Rule #1: Never surrender
Rule #2: Always wear gloves at a crime scene.
Rule #3: Don't believe what you're told. Double check.
Rule #3: Never be unreachable.
Rule #4: The best way to keep a secret? Keep it to yourself. Second best? Tell one other person - if you must. There is no third best.
Rule #5: You don't waste good.
Rule #6: Never apologize, it's a sign of weakness.
Rule #7: Always be specific when you lie.
Rule #8: Never take anything for granted.
Rule #9: Never go anywhere without a knife.
Rule #10: Never get personally involved in a case
Rule #11: When the case is done ... walk away
Rule #12: Never date a coworker.
Rule #13: Never, EVER involve lawyers!
Rule #14:*
Rule #15: Always work as a team.
Rule #16: If someone thinks they have the upper hand...then break it!
Rule #18: It's better to seek forgiveness than ask permission.
Rule #19:*
Rule #20:*
Rule #21:*
Rule #22: Never, ever bother Gibbs in interrogation.
Rule #23: Never mess with a Marine's coffee if you want to live.
Rule #24:*
Rule #25:*
Rule #26:*
Rule #27:*
Rule #28: Never run with sharp objects
Rule #29: Never fall asleep at your desk while handwriting a report
Rule #30:*
Rule #31:*
Rule #32:*
Rule #33:*
Rule #34:*
Rule #35: Always watch the watchers.
Rule #36:*
Rule #37:*
Rule #38: Never Interrupt Gibbs while he's talking to a redhead
Rule #38: Your case, Your lead
Rule #39:*
Rule #40: If you think someone's out to get you, they are
Rule #41:*
Rule #42: To get the right answers you have to ask the right questions
Rule #43:*
Rule #44: First things first, hide the women and children first
Rule #45: Clean up your own mess.
Rule #46:*
Rule #47:*
Rule #48:*
Rule #49:*
Rule #50:*
Rule #51: Sometimes you're wrong
*The rules with stars either have not yet been announced on the show or I have not yet located them.