DO NOT DUPLICATE
There are no laws that prevent unauthorized duplication of keys marked with DO NOT DUPLICATE also known as DND!
Some keys that say DO NOT DUPLICATE are RESTRICTED keys that can not be copied without proper authorization. Is a federal offense to copy P.O. Box keys.
If you are concerned about unauthorized duplication of keys we can set you up locks that use restricted keys.
RESTRICTED keys are keys that can not be duplicated without authorization. They are protected by patents, licensing agreements, and limited access to key blanks.
We offer several types of restricted key systems with different levels of restriction.
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