21 GCA § 11102
Monuments and Fences
View official PDF ↗Coterminous owners are mutually bound equally to maintain:
(a)The boundaries and monuments between them;
(b)The fences between them, unless one of them chooses to let his land lie without fencing; in which case, if he afterwards encloses it, he must refund to the other a just proportion of the value, at that time, of any division fence made by the latter.
Reconstructed from the Guam Code Annotated. For the authoritative version, see the official PDF.