Where is the security label on a laser cartridge?

A.
always on the tear strip

B.
only on the top

C.
only on the bottom

D.
randomly placed on the packaging

Explanation:
Reference: http://h41112.www4.hp.com/anticounterfeit/pdf/English-ACF-Info-Sheet-Customersonline-Aug-2009.pdf (page 1, see print cartridges for HP laser printers)