{
  "label_to_id": {
    "O": 0,
    "B-MerchantName": 1,
    "I-MerchantName": 2,
    "B-MerchantAddress": 3,
    "I-MerchantAddress": 4,
    "B-TransactionDate": 5,
    "I-TransactionDate": 6,
    "B-Currency": 7,
    "I-Currency": 8,
    "B-Total": 9,
    "I-Total": 10,
    "B-TotalTax": 11,
    "I-TotalTax": 12,
    "B-InvoiceNumber": 13,
    "I-InvoiceNumber": 14,
    "B-Subtotal": 15,
    "I-Subtotal": 16,
    "B-LineItems": 17,
    "I-LineItems": 18
  },
  "id_to_label": {
    "0": "O",
    "1": "B-MerchantName",
    "2": "I-MerchantName",
    "3": "B-MerchantAddress",
    "4": "I-MerchantAddress",
    "5": "B-TransactionDate",
    "6": "I-TransactionDate",
    "7": "B-Currency",
    "8": "I-Currency",
    "9": "B-Total",
    "10": "I-Total",
    "11": "B-TotalTax",
    "12": "I-TotalTax",
    "13": "B-InvoiceNumber",
    "14": "I-InvoiceNumber",
    "15": "B-Subtotal",
    "16": "I-Subtotal",
    "17": "B-LineItems",
    "18": "I-LineItems"
  }
}