21 GCA § 61217: Federal Excess Land Zoning.

Notwithstanding any provision of law, all federal excess land returned by the government of Guam to the original landowner shall be designated as Agricultural Zone (A). The original landowner and all subsequent landowners may apply for a higher zone designation by applying with the Department of Land Management Planning Division, and processing their zone change through the existing statutes, rules, regulations, procedures, and policies to obtain approval for their zone change request.