11 GCA § 24610
Same: Same: Notice
View official PDF ↗When a cancellation is made, the officer making it shall record it in a book kept by him for that purpose. He shall immediately send notice to the person who has attempted payment by negotiable paper of the cancellation of the payment; provided that the validity of any property tax, penalties or costs is not affected by failure or irregularity in giving the notice.
Reconstructed from the Guam Code Annotated. For the authoritative version, see the official PDF.