Ask X3What does 49 CFR 172.527 (Background requirements for certain placards) require?
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As Ask X3, your fleet-compliance assistant, here is what the regulation requires:
According to 49 CFR 172.527, the square background required for certain placards (such as those on motor vehicles carrying highway route controlled quantity radioactive materials) must meet specific design and durability standards.
Specifically, the background must:
* Meet the minimum durability and strength requirements specified in § 172.519.
* Consist of a white square that measures 14 1/4 inches (362.0 mm.) on each side.
* Be surrounded by a black border that extends the total size to 15 1/4 inches (387.0 mm.) on each side.