Paragraph 8 Special provisions
Each TYPE B(U) PACKAGE and each TYPE B(M) PACKAGE containing radioactive material other than fissile material shall be legibly and durably marked on the outside with—
(a)
the competent authority identification mark;
(b)
the serial number to uniquely identify the packaging which conforms to the design for that package;
(c)
the words “Type B(U)” or “Type B(M)”, as appropriate; and
(d)
the trefoil symbol depicted in figure 1 in Part III of this Schedule, embossed or stamped on the outermost fire and water resistant receptacle.