1. Out of Bounds (OOB)
OOB is defined by the line between the course-side points at ground level of white stakes. OOB is also defined as beyond any course boundary.
The Greenkeepers compound below the 14th tee is out of bounds. The boundary is defined by the fence surrounding the area.
2. Penalty Area Relief (Rule 17.1b/c/d)
Identified by either Red or Yellow posts, including when he ball is known or virtually certain to be in a penalty area even though not found, you may take relief using one of the options under Rule 17.1d.
Or, when the ball last crossed the edge of a red penalty area only, as an extra relief option adding one penalty stroke, you may drop the original ball or another ball in this lateral relief area.
If you do not know whether your ball is in the penalty area, you may play a provisional ball using any of the following relief options: stroke-and-distance, back-on-the-line or, if it is a red penalty area, the lateral relief option (Rule 17.1d).
3. Practice Area
The Practice Area to the left of the 1st green is considered part of the course and cannot be used by a competitor on competition days.
4. Abnormal Course Conditions (including Immovable Obstructions) (Rule 16)
Ground under repair is defined by any area encircled by a white line.
Areas in bunkers where sand has been removed by the movement of water resulting in deep furrows through the sand are GUR.
Mats that are secured.
Pop up sprinkler heads.
Areas of green staff vehicle damage.
Drains and drain covers.
All roads and paths on the course, even if not artificially-surfaced, are treated as immovable obstructions from which free relief is allowed under Rule 16.1.
5. Methods for Stopping and Resuming Play (Rule 5.7b)
A suspension of play for a dangerous situation will be signalled by one prolonged blast of the air horn.
Resumption of play will be signalled by two Short blasts.
Three consecutive blasts repeated, signals play abandoned course is closed.