In an earlier article I identified and explained the requirements of 49 CFR 178.703(a) that mandate the manufacturer of an Intermediate Bulk Container (IBC) mark it with certain letters, numerals, and symbols to indicate that it is specification packaging designed, manufactured and tested to meet a UN standard.  But the markings required by paragraph (a) of §178.703 may not always be enough.  In paragraph (b) of §178.703 markings are identified that are to be displayed on an IBC, “in addition to markings required in paragraph (a) of this section”.

The purpose of this article is to identify and explain the requirements of 49 CFR 178.703(b) for additional specification packaging markings to be used on intermediate bulk containers.
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