FA-95527 / Shipping rate zone lookup / Member archive

International zones: territories rated as foreign · case 02

Packages to US territories are sent through international rating and customs.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

country is an ISO alpha-2 code in any case with optional whitespace; "UK" is an alias of GB. US territories (US, PR, GU, VI, AS, MP) are DOMESTIC; embargoed CU, KP, IR, SY are BLOCKED. Listed countries map to groups 1-6; any other two-letter code is group 9; anything else INVALID. ECON is not offered to group 9 (NO_SERVICE). Return "Z<group>".

Why this case matters

International rating maps destination countries to zone groups.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
generated mix 25	`"Z9"`	`"DOMESTIC"`	Failed

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