7 C.F.R. § 319.24a
Corn may be imported into Guam without further permit, other than the authorization contained in this section but subject to compliance with § 319.24-3 . Such imports need not comply with the notice of arrival requirements of § 319.24-4 inasmuch as information equivalent to that in a notice of arrival is available to the inspector from another source. Section 319.24-5 shall not be applicable to importations of corn into Guam. Such importations shall be subject to inspection at the port of entry. Corn found upon inspection to contain disease infection will be subject to sterilization in accordance with methods selected by the inspector from administratively authorized procedures known to be effective under the conditions in which applied.
7 C.F.R. §319.24a