When is it permitted to pass a vehicle from the right-hand lane?

• When driving on a road having two or more lanes in the same direction
  Explanation:

  "Passing from the right is allowed on roads with multiple lanes in the same direction, but it can be dangerous and should only be done when it's safe."
• When driving on a road with a single lane
• When the traffic is too dense
• When you are moving faster than regular traffic