Country Codes
Country codes shall be specified according to the ISO 3166-1 alpha-2 standard (e.g., US for the United States).
Currency
Amounts
Currency amounts shall be serialized as cents (e.g., the number 10000 represents $100.00).
Codes
Currency codes shall conform to the ISO 4217 standard (e.g., USD for the US dollar).
Dates/Times
Dates and times shall be serialized according to the ISO 8601 standard. Global times shall be serialized as UTC time (e.g., 2022-07-05T14:00:00Z). Local times shall be serialized without any UTC relation information (e.g., 2022-07-05T14:00:00).