Format Permitted values Samples US Samples CASpecifies state of country of delivery address for the customer"shipping_state" is required for these countries: US, CA, CN, JP, MX, BR, AR, ID, TH, IN (if shipping_country is given) and must not be used in all other countries.LIST
ISO 3166-2 States (regions) 2-letter-codes
AK
AL
AR
AB
BC