Citation(s) from the GunPolicy.org literature library
Guam. 2003 ‘Identification Card - Possession.’ Public Law 27-61, Title 10, Chapter 60 - Firearms; Section 60114. Hagatna: Guam Legislature. 22 December
Section 60114. Identification Card: Possession.
(d) No person shall willfully alter, remove or obliterate the name of the make, model, manufacturer's number or other mark of identity of any firearm or ammunition. Possession of a firearm or ammunition upon which any mark of identity has been altered, removed or obliterated shall be presumptive evidence that the possessor has altered, removed or obliterated the same.