Re: [ubl-comment] feedback on the OASIS UBL JSON representation

"InvoicePeriod": {
	"title": "Invoice. Invoice_ Period. Period",
	"description": "A period to which the Invoice applies.",
	"items": {
		"$ref": "../common/UBL-CommonAggregateComponents-2.1.json#/definitions/InvoicePeriod"
	},
	"minItems": 1,
	"additionalProperties": false,
	"type": "array"
},