The issued document is a services invoice and reflects the value of services supplied by the entity to an enterprise established within the European Union.

json definition with remarks:

{
    "currencyCode": "EUR",
    "invoiceType": "ΤΙΜΟΛΟΓΙΟ ΠΑΡΟΧΗΣ ΥΠΗΡΕΣΙΩΝ",
    "invoiceTypeCode": "2.2",
    "specialInvoiceCategory": 0,
    "variationType": 0,
    "documentTypeCode": "INVOICE",
    "series": "NKH",
    "number": "100000063",
    "dateIssued": "2023-06-09T23:27:23",
    "orderNumber": "",
    "Issuer": {
        "RegisteredName": "PHARMA COMPANY",
        "ΒrandName": "PHARMA COMPANY",
        "Vat": "EL118058830",
        "TaxOffice": "ΦΑΕ ΑΘΗΝΩΝ",
        "Activities": [
            "PHARMACEUTICAL COMPANY"
        ],
        "GeneralCommercialRegistryNumber": "1234567", // GEMI
        "RegistrationNumber": "14044/01ΑΤ/Β/86/0530", // ARMAE
        "otherInfo": "1160", // ΑΜΠ
        "Phones": [
            "210 1234567"
        ],
        "faxes": [
            "210 1234567"
        ],
        "emails": [
            ",,,,@,,,,,.gr"
        ],
        "Url": "www.....gr",
        "Address": {
            "Country": "GREECE",
            "CountryCode": "GR",
            "City": "ΑΘΗΝΑ ",
            "Street": "STREET ADDRESS",
            "Postal": "12345"
        }
    },
    "counterParty": {
        "Code": "3000007355",
        "registeredName": "COMPANY A",
        "Vat": "IE3445562HH",
        "TaxOffice": "",
        "Activities": [
            "ΔΙΑΦΟΡΟΙ"
        ],
        "Phones": [
            "2108888888"
        ],
        "faxes": [
            "+30 269999999999"
        ],
        "address": {
            "countryCode": "IE",
            "city": "CORK",
            "Street": "CORK IRELAND",
            "postal": "15820"
        }
    },
    "DistributionDetails": {
        "InternalDocumentId": "NKH1000399819-91", 
        "RelativeDocuments": [
            "ΠΑΡΑΓΓΕΛΙΑ 69656" 
        ],
        "deliveryOriginDetails": {
            "movePurposeCode": "ΠΩΛΗΣΗ",
            "Address": {
                "City": " ATHENS",
                "Street": "STREET NUMBER"
            },
            "Phones": [
                "210 00000000" //
            ]
        },
        "deliveryDestinationDetails": {
            "Address": {
                "City": " ",
                "Street": "STREET NUMBER" 
            },
            "remarks": "ΠΑΡΟΧΗ ΕΝΔΟΚ ΥΠΗΡΕΣΙΩΝ ΚΛΙΝΙΚΩΝ ΜΕΛΕΤΩΝ" 
        }
    },
        "paymentDetails": {
        "paymentDate": "11/10/2021",
        "previousBalance": "",
        "newBalance": "",
        "electronicPaymentCode": "130000029885325", 
        "paymentMethods": [
            {
                "paymentMethodTypeCode": 3, 
                "amount": 2223.46,
                "remarks": ""
            }
        ]
    },
    "additionalDetails": {
        "accountingDepartmentEmails": [
            ""
        ],
        "transmissionMethod": "A", 
        "avoidEmailGrouping": false
    },
    "details": [
        {
            "lineNo": 1,
            "classificationLineNo": 1,
            "code": "Ψ000000041", 
            "categoryId": "", 
            "lotNumber": "", 
            "descriptions": [
                "ΕΣΟΔΑ ΑΠΟ ΚΛΙΝΙΚΕΣ ΜΕΛΕΤΕΣ ΕΡΕΥΝΑΣ ΣΕ ΤΡΙΤΟΥΣ ΕΕ"
            ],
            "quantity": 1,
            "UnitPrice": 2223.46,
            "netTotal": 2223.46, 
            "total": 2223.46, 
            "vatTotal": 0,
            "vatCategoryCode": 7, 
            "vatExemptionCategoryCode": 14, 
            "isInformative": false,
            "isHidden": false,
            "incomeClassification": {
                "classificationTypeCode": "E3_561_005",
                "classificationCategoryCode": "category1_3"
            }
        }
    ],
    "summaries": {
        "totalNetAmount": 2223.46,
        "totalVATAmount": 0,
        "totalGrossValue": 2223.46 
    },
    "vatAnalysis": [
        {
            "name": "0%",
            "vatAmount": 0,
            "underlyingValue": 2223.46
        }
    ],
    "MiscellaneousData": {
        "MoreInformation1": "",
        "MoreInformation2": "",
        "MoreInformation3": ""
    },
    "isDelayedCode": 0
}