Out of Bound (O.B) is marked with a white pole, Water Hazard is marked with a yellow pole or line, and Lateral Water Hazard is marked with a red pole or line.
(The line takes priority over the pole when marked simultaneously.)

Ground Under Repair (G.U.R) is marked with a white line or red flag.

Below are unmovable hazards.
(Cart road, wood post, rubber mat, sprinkler head, artificial stone flower bed)

The annual flower bed is Ground Under Repair (G.U.R) that cannot be played.
When a ball is inside a flower bed or the stance or intending swing is caught, drop not close to the hole but within 1 club length from the relief point close to the ball.

The ball in another hole crossing over the O.B boundary line is the out of bound ball though within the course.

Any matters not mentioned above follows regulations by the Korea Golf Association.