An inspector may seize and retain an HGP-Free tag if the inspector believes on reasonable grounds that it is in the possession of a person who (a) has not signed an HGP-Free Declaration; or(b) is not employed by, or under the supervision or direction of, a person referred to in paragraph (a) ; or(c) has improperly disposed of other HGP-Free tags; or(d) has applied other HGP-Free tags in contravention of the Act or these regulations.