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Electronic Code of Federal Regulations
Title 49: Transportation
§172.527 Background requirements for certain placards.
(a) Except for size and color, the square background required by §172.510(a) for certain placards on rail cars, and §172.507 for placards on motor vehicles containing a package of highway route controlled quantity radioactive materials, must be as follows:View or download PDF
(b) In addition to meeting the requirements of §172.519 for minimum durability and strength, the square background must consist of a white square measuring 141⁄4 inches (362.0 mm.) on each side surrounded by a black border extending to 151⁄4 inches (387.0 mm.) on each side.
[Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, as amended by Amdt. 172-64, 46 FR 5316, Jan. 19, 1981; Amdt. 172-78, 48 FR 10226, Mar. 10, 1983]