4.10. Throwdowns - How to handle them
A throwdown is when a geocacher places a new geocache container when the previous geocache is missing or cannot be found. Throwdowns are placed so the geocacher can log a find on a geocache that they couldn't find and suspect is missing. Geocaches should never be replaced without the permission of the geocache owner as this frequently leads to multiple containers at the location and disputes about whether you found the "real" container and are entitled to log a find.
Our policy is that geocache owners are responsible for maintenance, so as soon as they are aware of throwdowns, the physical geocache should be checked and if it is still there, the throwdown geocache should be removed. If this is not done, there will be no way for geocachers to be sure they are finding the correct geocache container. If subsequent find logs indicate multiple or inconsistent containers, it can often be a sign that a maintenance visit by the geocache owner has not taken place. In these cases, it is reasonable for the geocache owner to allow finds of the throwdown to be logged online as found because the finder generally cannot determine whether they found a throwdown instead of the original container. The original geocacher who placed the throwdown does not have a strong claim to log the geocache online as found.