Your safe deposit box, if you have one, isn't something you visit on a regular basis. For some, it might be just once per year. And, that's a good thing. Because there are regulations in each state on how long a safe deposit box can sit idle before it is determined to be abandoned.

Size doesn't matter. The contents do not matter. Your personal property in that safe deposit box could go on the auction block if there hasn't been a record of activity by your financial institution in a certain amount of time.

Just like the old saying goes, "Use it, or lose it!" You don't want to fall into dormancy when the valuables in your safe deposit box could be in jeopardy.

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Those dormancy regulations vary by state listed at Below are average years of dormancy:

South Dakota-3

I spoke with a representative from Cortrust Bank of Sioux Falls and learned that its policy was five years.

Recently AXIOS reported the contents of dozens of Iowa abandoned safe deposit boxes for auction last week.

If you cherish the contents of your safe deposit box and want to hold on to it, give it some love. Visit more often. Even if it's just to take inventory.

LOOK: Here is the richest town in each state

Just saying the names of these towns immediately conjures up images of grand mansions, luxury cars, and ritzy restaurants. Read on to see which town in your home state took the title of the richest location and which place had the highest median income in the country. Who knows—your hometown might even be on this list.

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